Amother has one allele for color blindness and one allele for normal vision. what is the probability that her gamete will have the allele for color blindness

The correct answer is -

The probability that gamete of female will have the allele for color blindness is 1/2 that is half.

Explanation:

Color blindness is a X linked recessive disorder. It means that a female can only have color blindness if the gene for color blindness is carried by both the X chromosomes (that is homozygous recessive genotype) .

As per the given information in the question, mother contains one allele for color blindness and one for normal vision

This means that mother is a carrier of colorblindness.

Therefore, two different gametes produced by her are- X and .

Thus, probability of gamete having allele for colorblindness is 1/2.

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they dont have any evidence