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%

Question

Lucia Valentine

Biology

10 April, 10:40

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%

+2

Answers (1)

Know the Answer?

Kennedi Lowery · 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%