Question

What is the probability that a color blind woman marries a man with normal vision will have a color blind boy

Answer 1

1/2

Step-by-step explanation:

It depends on the hereditary gene that will dominate, whether the colour blindness or normal vision

Answer 2

100%

Step-by-step explanation:

The gene for color blindness is carried on the X chromosome. A woman who expresses the trait for color blindness has two copies of the allele for color blindness, one on each X chromosome. Since it is not carried on the Y chromosome, and boys always inherit their X chromosomes from their mothers, a son can only inherit a X chromosome with the allele for color blindness, meaning any son from this woman will be color blind.