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

Sagot :

nplawyer74

Answer:

100%

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.

Answer:

1/2

Explanation:

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

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