Sperms are _________ in origin.
Correct answer: B. Mesodermal
- A. Ectodermal
- B. Mesodermal
- C. Endodermal
- D. None of these
Explanation
Sperm develop from germ cells associated with the reproductive organs, which are derived from mesoderm in the traditional germ-layer classification. Students may choose a because sperm are released from an epithelial lining, but the surface epithelium is not their developmental germ-layer origin.
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