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ololo11 [35]
3 years ago
8

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]3 years ago
8 0
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


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