Which reproductive feature is characteristic of most domestic hens?
Correct answer: D. A functional left ovary and left oviduct
- A. No mature ovarian follicles after hatching
- B. Two equally functional ovaries and oviducts
- C. A functional right ovary and left oviduct
- D. A functional left ovary and left oviduct
Explanation
In most domestic hens, the left ovary and left oviduct develop functionally, while the right reproductive system remains greatly reduced. This asymmetry is a normal avian adaptation and is not evidence of reproductive disease.
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