A Man Who Is a Dwarf Due to Achondroplasia and Has

question 29

Multiple Choice

A man who is a dwarf due to achondroplasia and has normal vision marries a color-blind woman of normal height.The man's father was 6 feet tall,and both the woman's parents were of average height.Achondroplasia is autosomal dominant,and red-green color blindness is X-linked recessive.
They have a daughter who is a dwarf with normal color vision.What is the probability that she is heterozygous for both genes?

• A)0%
• B)25%
• C)50%
• D)100%

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