Yani inherited the gene for blue eyes from his mother, but he actually has brown eyes. What is his eye color phenotype?
A) brown
B) blue
C) both blue and brown
D) Yani does not have a phenotype because he is not heterozygous.
Answer: A
Rationale: Phenotype refers to the observable characteristics. While Yani's genotype must include genes for both blue and brown eyes, his actual eye color—and therefore his phenotype—is brown.
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