A person has a brown dominant, and blue eyes are reactive. A blue-eyed man, whose parents had brown eyes

A person has a brown dominant, and blue eyes are reactive. A blue-eyed man, whose parents had brown eyes., Married a blue-eyed woman her father is brown, her mother is blue) what children will they have in%?

Let the brown-eyed gene be designated as B, then the gene responsible for blue eye color will be designated as b.

A blue-eyed man will be bb, because otherwise than in the condition of homozygous representation, the recessive trait is not realized. It produces sperm of the same type b.

A blue-eyed woman will also be bb, her eggs will be b.

In this case, the color of the parents’ eyes, which is due to the presence of dominant genes in their heterozygous genotypes (Bb), is not transmitted, but latent genes for blue-eyed (b) are transmitted.

Possible offspring of a blue-eyed married couple – only aa (100%).

Answer: 100% of children will have blue eyes.



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