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.

Md Ariful Islam

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Md Ariful Islam

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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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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 mechanism of such variability.

The brown eye form of the eye color gene (or allele) is dominant, whereas the blue eye allele is recessive. If both parents have brown eyes yet carry the allele...

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A 12-year-old boy has been diagnosed with a sarcoma of the lower jaw. The boy's parents are healthy. What mutation underlies this mutation?

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