Remember that a male individual ha XY as his sex chromosomes. Therefore, males only need one copy of the recessive allele to be afflicted of the disorder.
What would be Mom's genotype and phenotype forcolor blindedness, an X-linked recessive trait?
A. Mom would have the genotype XBXB and would be color-blind.
B. Mom would have the genotype XBXB and would not be color-blind.
C. Mom would have the genotype XBXb and would not be color-blind.
D. Mom would have the genotype XBXb and would be color-blind.
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