Red-green colorblindness is inherited as a sex-linked recessive trait. The gene is found on the X chromosome. Can a man with normal color vision father a daughter who is red-green colorblind?No, the expression of the trait skips a generation.Yes, if the man is heterozygous for red-green colorblindness.No, he can't (unless there is a mutation).Yes, if the woman with whom he mates is red-green colorblind.
Question
Red-green colorblindness is inherited as a sex-linked recessive trait. The gene is found on the X chromosome. Can a man with normal color vision father a daughter who is red-green colorblind?No, the expression of the trait skips a generation.Yes, if the man is heterozygous for red-green colorblindness.No, he can't (unless there is a mutation).Yes, if the woman with whom he mates is red-green colorblind.
Solution
No, he can't (unless there is a mutation). A man with normal color vision cannot be a carrier of the red-green colorblindness gene because it is a sex-linked recessive trait found on the X chromosome. Men only have one X chromosome, so if they carry the gene, they will express the trait. Therefore, a man with normal color vision cannot pass on the red-green colorblindness gene to his daughter unless there is a mutation.
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