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A man who is an achondroplastic dwarf with normal vision marries a color-blind woman ofnormal height. The man's father was six feet tall, and both the woman's parents wereof averageheight. Achondroplastic dwarfism is autosomal dominant, and red-green color blindness is X-linked recessive.
How many of their daughters might be expected to be color-blind dwarfs?
D) One out of four
E) Three out of four
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