Generally, blue eyes are recessive to dark brown eyes in humans. Individuals with albinism typically have blue eyes with a strong red reflection. A blue-eyed woman with albinism marries a man who is blue-eyed but does not have albinism

All their children have dark brown eyes. How can this be explained?


Albino is recessive epistatic. The woman with albinism was probably also homozygous for dark brown eyes.

Biology & Microbiology

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