1. A sex linked gene 'c' produces red-green color blindness in humans. A normal woman whose father is color-blind marries a color-blind man. What genotype(s) are/is possible for the mother of the color-blind man she has married?
a. What are the chances that the first child from this...
A man in his early twenties who is normal learns that his father has developed Huntington's Disease, a rare, fatal disease caused by a dominant allele, which usually manifests itself in middle age (since the disease is rare, it is safe to assume that he is heterozygous). What is the probability...
1. A husband and wife are both heterzygous for albinism, an autosomal recessive trait. What is the probability that their 1st child will be albino?
a. What is the probability that both of their 1st two children will be albino?