If a Male Bird That Is Heterozygous for a Recessive

question 67

Multiple Choice

If a male bird that is heterozygous for a recessive Z-linked mutation is crossed to a wild-type female, what proportion of the progeny will be mutant males?

• A) 0%
• B) 100%
• C) 75%
• D) 50%
• E) 25%

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