Who determines twins the mother or father?

Why Is Everyone Having Twins?

Best Answer

This is why fraternal twins run in families.

However, only women ovulate.

So, the mother's genes control this and the fathers don't.

This is why having a background of twins in the family matters only if it is on the mother's side.

Genetics 101 (Part 3 of 5): Where do your genes come from?

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Does the cow or bull determine twins?

Most twin calves are fraternal twins, not identical. Freemartinism is recognized as one of the most severe forms of sexual abnormality among cattle. This causes infertility in female cattle born as a twin to a male. According to science, the sex of a calf is determined on the bull side.

Do twins come from the mother of the father?

However, fraternal twins, the type born of two separate fertilized eggs, are genetic. According to Stanford, the likelihood of twins during any particular pregnancy comes from the mother, because, as they put it, "A father's genes can't make a woman release two eggs." You can inherit the trait from your father.

Do puppies look like mother or father?

From the top of his furry head to the tip of his wagging tail, your puppy is a combination of both his mother's and father's genes. While your little one likely will resemble at least one of his parents, some pups develop physical characteristics that may seem surprising.

What Everyone Gets Wrong about Twins: Genetics

Do puppies look more like the mother or father?

From the top of his furry head to the tip of his wagging tail, your puppy is a combination of both his mother's and father's genes. While your little one likely will resemble at least one of his parents, some pups develop physical characteristics that may seem surprising.

Is Down syndrome inherited from the mother or father?

There is no definitive scientific research that indicates that Down syndrome is caused by environmental factors or the parents' activities before or during pregnancy. The additional partial or full copy of the 21st chromosome which causes Down syndrome can originate from either the father or the mother.

Do you inherit more DNA from mother or father?

Because the chromosomes mothers and fathers pass on to their children are reshuffled versions of the ones they inherited from their own parents, it is hard to use most chromosomes to trace genealogy back very far. Most of the Y chromosome, however, is handed down from father to son without changes.

Do puppies look like their mother or father?

Like humans, dogs may resemble their parents and their siblings, but also can exhibit some characteristics that even a good shake of the family tree might not explain. All species have a genetic makeup, which is passed along from both mother and father.

Do dogs look like their mother or father?

Like humans, dogs may resemble their parents and their siblings, but also can exhibit some characteristics that even a good shake of the family tree might not explain. All species have a genetic makeup, which is passed along from both mother and father.

Funny Babies Confused by Twin Parents Compilation

Do puppies look more like mother or father?

Do Puppies Always Look Like Their Parents? Like humans, dogs may resemble their parents and their siblings, but also can exhibit some characteristics that even a good shake of the family tree might not explain. It's All In the Genes. All species have a genetic makeup, which is passed along from both mother and father.

Can twins have different fathers?

Homopaternal superfecundation refers to the fertilization of two separate ova from the same father, leading to fraternal twins. Superfecundation, while rare, can occur through either separate occurrences of sexual intercourse or through artificial insemination.

Who is the oldest twin?

Baby Riddle: Second Twin Born Is Actually OLDER Than His Brother! It's the twin teaser that has the internet baffled – little Samuel was born first but his brother Ronan ,who arrived 31 minutes later, is officially older than him.

Can you tell which identical twin is the father?

A standard paternity test could not tell which identical twin might be the dad. A standard paternity test relies on the differences between the DNA of two potential dads. And identical twins have so few that these tests miss them. This is why you need a more comprehensive test.

Can humans have twins with different fathers?

Homopaternal superfecundation refers to the fertilization of two separate ova from the same father, leading to fraternal twins. Superfecundation, while rare, can occur through either separate occurrences of sexual intercourse or through artificial insemination.

Everything You Need To Know About Fraternal and Identical Twins | Dr. Sarah Finch

Can a father take a child away from the mother?

When a child is born to an unmarried mother, the father has no legal right to see his child without a court order. There is no legal presumption of paternity, as unwed fathers are not automatically presumed to be biologically related to their children.

Do fathers have the same rights as mothers?

Once paternity is established, a father may pursue child visitation or other custody rights. In most states, if the father's name is on the child's birth certificate, he will automatically be recognized as the child's legal father and have an equal amount of standing in court as the mother.

Can mother take child away from father?

Sometimes taking your child from you is a crime, like "parental kidnapping." But if you are married, and there is no court order of custody, it is legal for the other parent to take your child. Or, if you are divorced and the other parent has sole physical custody, it is legal for them to take your child.

How do mothers tell twins apart?

Telling twins apart is actually one fear that can be taken off the list. Most parents find that mixing up their babies is the least of their concerns. After only a few hours or days at most, they are distinguishable as individuals. Even if they look alike, parents just know the difference.

Who is the father of Kate's baby in Lost?

For a few days, Jack read bedtime stories to Aaron, hoping to become a surrogate father before getting a message from Charlie that he wasn't supposed to raise him. Kate then lived alone with him in California and was warned by visions of Claire, his real mother, not to take him back to the Island.

How does a paternity test prove who the father is?

Paternity or maternity testing for child or adult. The testing is performed by collecting buccal cells found on the inside of a person's cheek using a buccal swab or cheek swab. The buccal cells are then sent to a laboratory for testing. For paternity testing, samples from the alleged father and child would be needed.

Does the male or female dog determine litter size?

In mammals, the male determines the sex of an offspring, while the female determines the size of a litter by the number of eggs she drops that become fertilized. However, is it possible that breeders can control the sex of their puppies, rather than the stud dogs?

Can a woman have twins with 2 different fathers?

Superfecundation is the fertilization of two or more ova from the same cycle by sperm from separate acts of sexual intercourse, which can lead to twin babies from two separate biological fathers. The term superfecundation is derived from fecund, meaning the ability to produce offspring.

Does the male or female dog determine how many puppies?

The female's age is a major point in determining the size of a puppy litter, and this is factual. Usually, dogs under the age of seven will have smaller litters than those that are of old age – but they should never be bred so early anyway. The AKC recommends that females should be bred in their second or third heat.

Can a mother prevent a father from seeing his child?

When a child is born to an unmarried mother, the mother is automatically granted sole custodianship. The father has no legal right to see their child without a court order. This type of situation can prevent the father from being awarded visitation rights or child custody.

Who walks down the mother of the bride?

Ushers seat guests as they arrive, from front rows to back; the final guests to be seated are, in this order: grandparents, mother of the groom (with father walking just behind), and mother of the bride. At a traditional, formal Jewish wedding, the bride's side is on the right and the groom's is on the left.

Can a mother take a child without father's permission?

If however you have what used to be known as a 'Residence Order' then you can travel abroad with the child for 28 days without permission. This is the same for a mother, who alone has parental responsibility. She can take her child abroad without permission if there are no other orders or restrictions in place.

How I met your mother who is the Papaya King?

Ted from How I Met Your Mother has called Papaya King “one of the greatest things about New York City,” and Kramer from Seinfeld has left a long line for movie tickets to get a Papaya King hot dog. For Peter Poulous, the son of Papaya King's founder and its former owner, they give him a headache.

Does the male or female dog determine the size of the litter?

Humans have control over certain aspects of when and how a female dog is bred that can affect litter size, but there are limits. Artificially inseminated dams produce smaller litters than those impregnated naturally. This is likely due to more sperm dying during collection and insemination.

Does the male or female dog determine the size of the puppies?

The female's age is a major point in determining the size of a puppy litter, and this is factual. Usually, dogs under the age of seven will have smaller litters than those that are of old age – but they should never be bred so early anyway. The first heat in a female dog is usually between 6 and 18 months.

How does a judge determine who gets custody?

Judges must decide custody based on “the best interests of the child." The “best interests of the child” law requires courts to focus on the child's needs and not the parent's needs. The law requires courts to give custody to the parent who can meet the child's needs best .

Who loves or who love?

“loves" as it is here can be used for third person singular pronouns (He, She - He loves you, She loves you). So, the correct one is “We (Plural) love (plural) you. There is however a possibility you hear some people say “We loves you”, this could be just “slang” but is not grammatically correct.

Is Dwight the father?

In the series finale, Angela and Dwight marry and it is revealed that Dwight is in fact the father of her son.

Do dogs know who their mother is?

As researchers discovered more about dog's recognition abilities, they wondered if adult puppies would recognize their parents, even years later. Studies show dogs can recognize their parents and siblings, but whether that recognition is based on scent or some other factor is still not known for certain.

Who is Goofy's son Max's mother?

Who Is the mother of Max, Goofy's son? Michael Wignjoatmodjo, A HUGE Disney fan, especially some of the WDAS films. Mrs. Goofy or sometimes known as Mrs. Geef. She appeared in the early 1950s short Goofy cartoons.

Who haven't or who hasn t?

Hasn't is usually put in place when referring to someone else (sigle entity) other than yourself, whereas haven't can be used in three different contexts i.e. while referring to oneself (I haven't), to some other person (you haven't), or for two or more entities (they haven't).

Who's or whose grammar?

Whose is the possessive form of the pronoun who, while who's is a contraction of the words who is or who has. However, many people still find whose and who's particularly confusing because, in English, an apostrophe followed by an s usually indicates the possessive form of a word.

What are the odds of twins having twins?

Chances of Having Identical Twins. In the general population, identical twin pregnancies occur 0.45 percent of the time, or 1 in 250 births. While most multiple pregnancies conceived with fertility treatments are fraternal twins, the use of fertility treatment does increase your risk of having identical twins.

Whose or who's example?

Whose is the possessive form of the pronoun who, while who's is a contraction of the words who is or who has. However, many people still find whose and who's particularly confusing because, in English, an apostrophe followed by an s usually indicates the possessive form of a word.

Does the baby determine when labor starts?

During the last weeks of pregnancy, your body and your baby prepare for birth. For a first-time mother, the baby often “drops down” into the pelvis in the weeks before birth. The cervix tilts forward and gradually begins to soften. In most cases, your labor will begin only when both your body and your baby are ready.

What or who might the Mad Dog symbolize?

The mad dog in Harper Lee's To Kill a Mockingbirdis symbolic of a few things. First, the mad dog represents the "madness" that Atticus has to face now that he has taken on Tom Robinson's case. The community has rallied against Atticus because they believe that Robinson is guilty simply because he is black.

Are twins the same weight?

Their weights were exactly the same. "The midwife looking after the twins double checked their weight because their lengths were different. Them being exactly the same weight is no more unusual then two single babies of exactly the same weight, but it doesn't happen often.

Should the father cut the umbilical cord?

Dads should cut the umbilical cord when their baby is born. The nurse or doctor will hold the umbilical cord taut after it is clamped and hand you medical scissors (the cord doesn't have nerves, so it won't hurt anyone). It's a cool dad thing to do. Just like your cable bill.

Who else's or whose else?

The sentence No one else but Sam saw the accident would thus be better without else. When a pronoun is followed by else, the possessive form is generally written with the 's following else: That must be someone else's (not someone's else) book.

Whose room or who's room?

Whose is a possessive pronoun. If you have two sloppy roommates, you might wonder whose dirty socks are on the dining room table, or whose gross dishes are on the couch, or whose smelly feet stunk up the bathroom. You get the point. Who's is a contraction of who is.

Who's smarter cats or dogs?

Dogs have more nerve than cats. Neuroscientist Suzana Herculano-Houzel studies animal intelligence by digging deep into gray matter. She liquifies animal brains to count their neurons. And what she's found is that dogs have twice as many neurons as cats.

Who's Party or whose party?

Who's is a contraction for who is or who has. Whose is used to show possession. Whose as a possessive is often confused because possessives usually use an apostrophe + s (Mike's shoes, Cindy's dress, Brad's party). But, in the case of whose, there is no apostrophe.

Who or which for companies?

Yet, although we use shorthand to treat companies as though they can take action, we don't treat them as people when we have to choose a pronoun. The correct words to use when referring to a company are “that” or “it,” not “who” or “they.”

Whose phone or who's phone?

People tend to believe any word with a contraction, such as "who's," is a possessive form. In fact, "whose" is the possessive form, while "who's" is a contraction for "who is" or "who has." Whose – Possessive pronoun. Whose phone is this?)

Are the Olsen twins billionaires?

Mary-Kate Olsen and Ashley Olsen (born June 13, 1986), also known as the Olsen twins as a duo, are American fashion designers and former child actresses. Through their company Dualstar, the Olsens joined the ranks of the wealthiest women in the entertainment industry at a young age.

Who gets custody of child if Mother dies?

Death of One Parent. When parents don't die together in a common accident or disaster, the surviving parent always retains custody of the child; this is not a guardianship situation. If the parents are divorced, the non-custodial parent assumes full custody.

Who's smarter dogs or cats?

Dogs, it turns out, have about twice the number of neurons in their cerebral cortexes than what cats have, which suggests they could be about twice as intelligent. This finding was provisionally accepted for publication and will soon publish in the journal Frontiers in Neuroanatomy.

Who's idea or whose idea?

It's an apostrophe telling you that who's is short for "who is." Whose silly idea was it to make these words sound alike? Who knows? But whose shows possession and who's is a contraction.

Who all or whom all?

"All of whom" is more idiomatically correct. Of is a preposition, so the object form "whom" is preferable. That being said, colloquially "who" often replaces "whom" in everyday speech, and though a grammarian may not approve of that usage, some Americans probably wouldn't blink twice if they heard "all of who."

Who attended or whom attended?

All who attended. Whom should be used to refer to the object of a verb or preposition. When in doubt, try this simple trick: If you can replace the word with “he”' or “'she,” use who. If you can replace it with “him” or “her,” use whom.

Whose there or who's there?

Who's is a contraction linking the words who is or who has, and whose is the possessive form of who. They may sound the same, but spelling them correctly can be tricky. To get into the difference between who's and whose, read on.

What determines the color of a dog?

The K locus determines whether a dog is solid-coloured (eumelanin only) or has red/tan (phaeomelanin) in its coat as well. There are three genes in the K series, and if a dog has one or two K genes (K is the top dominant in the series, so it overrides everything else), it will be solid-coloured.

What determines the consistency of sperm?

Semen is the fluid released through the male urethra during ejaculation. Normally, semen is a thick, whitish liquid. However, several conditions can change the color and consistency of semen. Watery semen can be a sign of low sperm count, indicating possible fertility problems.

Are the Twins TIAS sons?

The Twins. Tia's "adopted" twin Hawaiian sons, Kanani (pronounced Kaw-Naw-Nee) and Keli'i (pronounced Kay-Lee-Ee), who is also known as Moe, not only provide the comic relief around the ranch, but their natural ability to work with the most difficult dogs proves them invaluable.

Are the Sprouse twins identical?

Dylan and Cole were later cast in the Disney Channel original series The Suite Life of Zack & Cody, where they portrayed identical twins Zack and Cody Martin, respectively.

Do twins smell the same?

The answer is yes. Identical twins do have different scent even if they live in the same home, use the same personal products and eat the same foods. However, the body odor of identical twins is significantly more similar than fraternal twins and singletons.

Do twins have the same fingerprint?

No! Studies have concluded that, even though the fingerprints of identical (MZ) twins may be very similar, they are not identical. MZ twins share the same genetic makeup (DNA) because they are formed from a single zygote (fertilized egg). However, fingerprints are not an entirely genetic characteristic.

How do you determine if a pedigree is dominant or recessive?

The information from a pedigree makes it possible to determine how certain alleles are inherited: whether they are dominant, recessive, autosomal, or sex-linked. To start reading a pedigree: Determine whether the trait is dominant or recessive. If the trait is dominant, one of the parents must have the trait.

Who has more neurons cats or dogs?

For perspective, the human cortex contains 16 billion neurons. Herculano-Houzel said it's possible even small dogs, like chihuahuas or corgis, have more neurons than cats.

Who came first dogs or cats?

Humans also deliberately bred dogs to be more adorable. Other pets came later. Sheep and goats were first domesticated roughly 11,000 years ago, while cats became pets around 7000 B.C. with the advent of agriculture.

Whose or who's in a sentence?

Whose is the possessive form of the pronoun who and is defined as belonging to or associated with which person. When used in a sentence, it usually (but not always) appears before a noun.

Who has better vision dogs or humans?

Because dogs have no fovea (or area with 100% cones), it is estimated their eye for detail is 6 times poorer than that of a human. On the other hand, because they have so many more rods than humans, dogs can see in light five times dimmer than humans can. Rods are the vision receptors that detect dark and light.

Who is older meg or Chris?

Meg is the eldest child of Peter and Lois Griffin and older sister of Stewie and Chris, but is also the family's scapegoat who receives the least of their attention and bears the brunt of their abuse. Originally voiced by Lacey Chabert during the first season, Meg has been voiced by Mila Kunis since season 2.

Who or whom do you recommend?

Put simply, use whom—which is a pronoun—when it is the object of a sentence. If you can replace the word with "her," "him," or "them" for example, use "whom." You'll know when to use "whom" if the pronoun is used in the objective case, or action is being done to the pronoun.

Who are you referring to or too?

The key to remembering when to use too instead of to is the extra "o" in too. The word "too" is used when you're referring to an extra or excessive amount of something. For instance: I'm too tired to do another math problem.

Who pays finders fee buyer or seller?

Who pays the finders fee the buyer or seller? It depends but, the one initiating the process generally pays the fee; In most cases the seller advertising his goods or services initiates the Finder's search for a buyer.

Who's or whose side are you on?

Whose is a pronoun used in questions to ask who owns something or has something. In other words, whose is about possession. Don't be tricked: on the one hand, because grammazons mark possessive nouns with apostrophe + s, it's tempting to think that who's (not whose) is the possessive form of who.

Is Who singular or plural pronoun?

Indefinite Pronouns Indefinite Pronouns These refer to something that is unspecified.Singularanybody, anyone, anything, each, either, everybody, everyone, everything, neither, nobody, no one, nothing, one, somebody, someone, somethingPluralboth, few, many, severalSingular or Pluralall, any, most, none, some

Who is stronger Mewtwo or mew?

Mew, has shown to be nearly equal to Mewtwo in the first movie in terms of battling capacity. But being the ancestor doesn't make you the strongest , mewtwo was specifically engineered to be stronger than mew, the claim has not been proved. But! mew is shown PATHETICALLY weak in the lucario movie.

Do identical twins have the same DNA?

The Claim: Identical Twins Have Identical DNA. It is a basic tenet of human biology, taught in grade schools everywhere: Identical twins come from the same fertilized egg and, thus, share identical genetic profiles. But according to new research, though identical twins share very similar genes, identical they are not.

Do twins have the same body type?

But if you look closely, they are still not exactly the same. They will always have some physical differences due to differences in their environment. Some identical twins can have different heights and weights. The fingerprints of identical twins do look more similar than the fingerprints of non-twins.

Are kittens from the same litter twins?

That means different eggs that have been fertilized by different sperm. Just like with human fraternal twins they are essentially just siblings born at the same time. Also, it's possible for kittens in the same litter to have a different sire.

Are identical twins born the same weight?

But if you look closely, they are still not exactly the same. They will always have some physical differences due to differences in their environment. Some identical twins can have different heights and weights. This can mean one twin starts getting more to eat even before they are born!

What is the Merrell twins mom's name?

The Merrell twins made up of Veronica Jo Merell and Vanessa Merell, were born in Kansas City, Missouri, on the 6th of August 1996. Veronica who is the older of the two was born through normal birth means with no complications whatsoever.

How tall are the Merrell twins?

Overview (4) BornAugust 6, 1996 in Kansas City, Missouri, USABirth NameVeronica Jo MerrellNicknameRoniHeight5' 2" (1.57 m)

Which parent carries the gene for twins?

The gene versions that increase the chance of hyperovulation can be passed down from parent to child. This is why fraternal twins run in families. However, only women ovulate. So, the mother's genes control this and the fathers don't.

Do identical twins have the same fingerprints?

No! Studies have concluded that, even though the fingerprints of identical (MZ) twins may be very similar, they are not identical. MZ twins share the same genetic makeup (DNA) because they are formed from a single zygote (fertilized egg). However, fingerprints are not an entirely genetic characteristic.

What are the signs of having twins?

Signs & Symptoms of Multiple Pregnancy Ultrasound Confirmation. Ultrasound is the only way to know for sure if you are carrying multiples. Doppler Heartbeat Count. Elevated hCG Levels. Abnormal AFP Test Results. Measuring Large for Gestational Age. Weight Gain. Excessive Morning Sickness. Early or Frequent Fetal Movement.

What are the complications of having twins?

Complications of Multiple Pregnancy Preterm labor and birth. More than 3 in 5 twins and nearly all higher-order multiples are premature (born before 37 weeks). Gestational high blood pressure. Gestational diabetes. Anemia. Birth defects. Miscarriage. Twin-to-twin transfusion syndrome. Abnormal amounts of amniotic fluid.

Can a woman sign the birth certificate as the father?

The child will have no legal father and you and the birth mother will have equal parental rights and responsibilities and you can be named on the birth certificate.

Who is more intelligent cats or dogs?

Specifically, which one is smarter. Dog owners say their pets are smartest because their pet is loyal, joyous and can be trained. Dogs had the most neurons of any carnivore — even though they didn't have the biggest brains. Brown bears had roughly the same number as cats.

Who has better hearing cats or dogs?

Cats hear higher frequencies than dogs or humans. Because of that, a woman's voice can be more soothing to a cat, especially if it's upset. Our sense of hearing is in a range of 20 hertz up to 20 kilohertz, but dogs hear up to 40 kilohertz and a cat's hearing jumps into the higher pitched range of 60 kilohertz.

Who sees better cats or dogs?

First: Dogs can see hand signals from a mile away……But can't focus on objects closer than 10 inches. While cats are a bit better at seeing things close up……And they can see as much detail at 200 feet as humans can at 20 feet. We all know that cats have better night vision……

Who makes more money doctors or veterinarians?

Both careers pay good wages, based on their education. According to the Bureau of Labor Statistics (BLS), in 2011 veterinarians earned an average salary of $91,250 per year; while physicians and surgeons, which includes doctors, earned an average salary of $184,650 per year.

Who's smarter a cat or a dog?

Specifically, which one is smarter. Dog owners say their pets are smartest because their pet is loyal, joyous and can be trained. Cat owners say it's their pet — for exactly the opposite reasons. It seems dogs have about 530 million neurons calculating their behavior, as opposed to 250 million in cats.

Who I met or whom I met?

(Remember that the pronoun “he” is the subject of a sentence, and the pronoun “him” is part of the object of a sentence.) “She had never met him” is the correct wording. Step 4: Because “him” works, the correct pronoun to use is “whom.” Elizabeth wrote a letter to someone whom she had never met.

Who is cleaner dogs or cats?

Cats are cleaner than dogs. Without a helping hand of their humans, dogs never reach the hygiene of cats. Be it fleas, bacteria or just some mud: Because dogs almost never clean themselves by licking their furr, they are highly susceptible to these aspects of dirt.

Who is stronger dogs or humans?

With a police (German shepherd or Belgian malinois) dog's ferocity, teeth, strength; an unarmed regular person is no match for a police dog. Strength to weight ratio wise, Humans are actually stronger than dogs. Horses, other great apes, and bears are some of the few animals physically stronger than humans.

Who is more loyal cat or dog?

Generally speaking, dogs are more loyal their humans than cats are; it's a consequence of their interactions with humans. Dogs were bred among other factors, to emphasise the loyalty of the animal to the master. Domestic dogs see humans as their pack, so they are loyal to us.

Who is more loyal cats or dogs?

Dog lovers would swear up and down dogs are better in every way than cats. Generally speaking, dogs are more loyal their humans than cats are; it's a consequence of their interactions with humans. Dogs were bred among other factors, to emphasise the loyalty of the animal to the master.

Who is smarter cats or dogs?

Science has determined which pet is smarter, cats or dogs. Researchers studied the cortical neurons in the brains of cats, dogs, and other animals to determine intelligence.

Who came first cats or dogs?

Humans also deliberately bred dogs to be more adorable. Other pets came later. Sheep and goats were first domesticated roughly 11,000 years ago, while cats became pets around 7000 B.C. with the advent of agriculture.

Who I am or whom I am?

Whom should be used to refer to the object of a verb or preposition. When in doubt, try this simple trick: If you can replace the word with “he”' or “'she,” use who. If you can replace it with “him” or “her,” use whom. Who should be used to refer to the subject of a sentence.

Who came first Dodge or Ford?

The Ford Motor Company was the first brand as it was founded in 1903 by the very famous Henry Ford. Eight years later, Louis Chevrolet and William Durant started Chevrolet in 1911 and three years later in 1914 the Dodge brothers, Horace Elgin Dodge and John Francis Dodge, founded the “Dodge Brothers” brand.

Who is smarter dolphins or humans?

Are dolphins smarter than humans? Current tests for intelligence indicate that dolphins do not possess the same cognitive abilities as humans and are thus not the "smarter" species. Like humans, dolphins possess the ability to beneficially alter their surroundings, solve problems, and form complex social groups.

Who I admire or whom I admire?

Obviously, the proper word is who. Compare that with He is a man who I admire. Because we would say I admire him, the sentence should read He is a man whom I admire. The key to mastering whom comes down to knowing the difference between a subject and an object.

Who I had or whom I had?

Yes, though it may depend on whom you ask! “Who” and “whoever” are subjective pronouns; “whom” and “whomever” are in the objective case. That simply means that “who” (and the same for “whoever”) is always subject to a verb, and that “whom” (and the same for “whomever”) is always working as an object in a sentence.