A Man with Normal Vision Who Is a Dwarf Due

question 14

Multiple Choice

A man with normal vision who is a dwarf due to achondroplasia has children with a woman with colorblindness who is of average height. Dwarfism caused by achondroplasia is autosomal dominant, and red-green color blindness is X-linked recessive. What proportion of their daughters are expected to be color-blind with achondroplasia?

• A) 0
• B) 1/2
• C) 1/4
• D) 3/4

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Definitions:

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