In humans, the allele for red hair, b, is recessive to the allele for brown hair, B. A man and his wife both have brown hair. Th

Question

2 years ago

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In humans, the allele for red hair, b, is recessive to the allele for brown hair, B. A man and his wife both have brown hair. Th

ey have five children, three of whom have red hair, while two have brown hair. Explain how this may happen, using a genetic diagram to explain your answer.

Biology

1 answer:

Alex17521 [72] · Answer 1 · 2022-01-11T04:43:36+03:00

We know that the parents express as brown haired which means that they may have the genotypes BB and Bb. We know that for the children to express as red-haired, they must have two recessive genes. Because they get one gene from each parent, both parents must have one recessive gene.

B b
B BB Bb
b Bb bb