Hemophillia is a sex linked recessive trait in humans. If a father and a son are both hemophilliacs,but the mother is normal,her genotype must be?
1 Answer
Jun 18, 2018
This is a sex-linked trait, which generally means that it's on the
Males have one of these, and females have two. Thus, if the sex-linked trait is recessive, males will express the trait, while females may be heterozygotes.
In this case, the father and son must necessarily have,
genotypes.
The mother is a heterozygote. Hence, her genotype is,
The son has the mother's
