Hairlessness in Dogs Is Inherited from a Single Dominant Allele

question 7

Multiple Choice

Hairlessness in dogs is inherited from a single dominant allele.Inheriting two dominant alleles is lethal for the embryo.Ralph and Penelope are both hairless dogs.What is the probability that Penelope will give birth to a hairy puppy?

• A) 3/4
• B) 1/3
• C) 2/3
• D) 1/4
• E) 1/2

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