Do the mom and dad make equal genetic contributions to their children?

Question

Regardless of the center of their child, does the mother and father of a child make equal 50/50 contributions to the genes of the child?

Answer 1

Yes.

Every individuals receives half of their chromosomes from their mother and half from their father.

However, through recombination of genes and traits, any particular sperm or egg cell in your offspring won't be exactly 50% from the father and 50% from the mother because sperm and egg cells only have 23 chromosomes instead of the 46 found in the rest of the body. It could be unequal. Basically, this means that any of your offspring's offspring won't necessarily be 25% in common with you, it can vary based on how the genes jumbled together to make the sperm and egg cells.

Also, when it comes to physical traits, the genes from the mother and the genes from the father won't be equally expressed. Some traits can combine and be equally expressed - maybe, for instance, the mother having lighter hair and the father having darker hair might result in the child having something inbetween. But, with dominant and recessive genes, one parent could have a lot of recessive traits, and the other have a lot of dominant traits which will result in the offspring having a higher chance of looking like the parent with the dominant traits. (ex: one parent with blond hair and blue eyes, one with brown eyes and brown hair - offspring is less than 13% likely of having both blond hair and blue eyes).

Very confusing, eh? :)

Answer 2

True, kids get 23 chromosomes from Mom, and 23 chromosomes from Dad, but some of the genetic traits are dominant and some of the genetic traits are recessive. The dominant traits will over-power the recessive traits, but the recessive traits are still there and therefore, they make equal contributions.

However, there are exceptions to this. Genetic mutations and trisomies, like people with Klinefelter's Syndrome and Down Syndrome, will probably have an extra chromosome and therefore not receive the equal amount.

Answer 3

If the father is on the delivery certificates then he has equivalent rights to his newborn. the mummy would not continually get to maintain the newborn at the same time as they're anticipating trial. It relies upon on the guy circumstances of each case. I advise you discuss with a criminal professional on your section to confirm the regulations and rules on your state. the mummy would not get favourite anymore. no longer in the state I stay in anyhow. i grow to be in courtroom with a pal and that they mentioned he had equivalent rights & the choose even seen joint custody by way of fact neither parent would desire to be proved undeserving. in the tip the mothers and fathers got here to an contract is the only reason the mummy have been given to maintain complete custody of her infants. some states would be diverse however.

Answer 4

Not really. It starts as 50/50, but when the dna is switching around, it gets all mixed up.....then, on top of that, you have certain traits that are dominant, (like brown eyes over blue), and it doesn't matter what percentage of the genes belonged to whom.

Answer 5

They sure do, 50/50. More parts may show similarities closer to one or the other, but genetically it's split right down the middle.

Answer 6

Yes. 23 chromosomes from mom and 23 from dad.

Answer 7

26 genes, half from mom, half from dad. equal contribution.

Answer 8

Heck no, My daughter looks like my husband's aunt mary, and my son looks just like my husband

Answer 9

yes they do actuallyy!!