A woman is heterozygous for a rare dominant autosomal genetic disease, Neurofibromatosis. She marries a normal man (homozygous recessive for Neurofibromatosis), who has Red-Green Color blindness, an X-linked recessive trait. They have children. What is the chance they will have a girl with Neurofibromatosis?

A. 25%

B. 0%

C. 50%

D. 100%

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Biology

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3 October, 04:28

A woman is heterozygous for a rare dominant autosomal genetic disease, Neurofibromatosis. She marries a normal man (homozygous recessive for Neurofibromatosis), who has Red-Green Color blindness, an X-linked recessive trait. They have children. What is the chance they will have a girl with Neurofibromatosis?

A. 25%

B. 0%

C. 50%

D. 100%

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Answers (1)

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Shyann Jensen · Answer 1

A. 25%

Explanation:

The chance of getting a girl is 50%

The chance of getting a child with Neurofibromatosis is 50%

Multiply the two to find the chance of a girl getting the condition = 25%