The giant chromosomes of Drosophila are found in_____________________?
Correct answer: D. Salivary glands
- A. Testes
- B. Muscles
- C. Ovaries
- D. Salivary glands
Explanation
Drosophila has giant polytene chromosomes in its larval salivary-gland cells, where repeated DNA replication makes the chromosomes visibly enlarged and banded. This is why salivary glands are commonly used for chromosome studies.
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