Answer to Question #161575 in Molecular Biology for Virat

Question #161575

1. A blue-eyed boy was born in a family where both parents are brown-eyed. What kind of variability manifested itself in this case? Explain all the possible mechanisms of such variability.


1
Expert's answer
2021-02-11T04:32:05-0500

The only way to present blue eyes is to inherit two copies of the blue-eyed gene. However, brown-eyed parents can pass a recessive blue-eyed gene. Therefore, two brown-eyed partners can birth a blue-eyed baby. Brown eyes + blue eyes = 50% chance of blue eyes, but only if the brown-eyed parent carries a blue-eyed gene.


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