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joja [24]
3 years ago
15

If a dominant allele of one gene, a, is necessary for hearing in humans, and the dominant allele of another gene, b, results in

deafness regardless of the presence of other genes, what fraction of offspring in a pairing of aabb and aabb individuals will be deaf?

Biology
1 answer:
yKpoI14uk [10]3 years ago
6 0
The correct genotypes of the parents are <span>AaBb and Aabb

In a cross of these two genotypes presented in the image below, 5/8 of the offspring would be deaf.
The individuals marked with a red square would be deaf because of the recessive aa alleles and the rest of the progeny that is marked with green would be deaf because of the presence of the B dominant allele.</span>

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