Please refer to the picture: Below is a pedigree chart for a family, some of who

Question

Please refer to the picture: Below is a pedigree chart for a family, some of whose members exhibit the dominant trait, premature white hair (W) whereas the normal recessive trait (w) allows for hair pigment deposition. Affected individuals, those with white hair, are indicated by a filled square or circle.

The answer is 5/6, but I don't know how to get there.

58. Below is a pedigree chart for a family, some of whose members exhibit the dominant trait, premature white hair (W whereas the normal recessive trait (w) allows for hair pigment deposition. Affected individuals, those with white hair, are indicated by a filled square or circle. What is the probability that the child indicated by the question mark will have premature white hair? A. 1/6 B. 3/4 C. 1/4 D. 5/6 E. 1

Explanation / Answer

Both tha parents of The child indicated by ? are affected. If we carefully observed, the male parent is heterozygous and female parent is homozygous for Premature white hair.

Male (wW) x Female (WW) ----------) In this assumption may justify your answer. I.e 5/6

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