Which sex chromosome combination occurs in a normal female chicken?
Correct answer: B. ZW chromosome combination
- A. ZZ chromosome combination
- B. ZW chromosome combination
- C. XX chromosome combination
- D. XY chromosome combination
Explanation
Female chickens are heterogametic and normally possess ZW chromosomes, whereas males are ZZ. The XX and XY systems are commonly associated with mammalian sex determination, not chickens.
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