Predict how many double helical molecules of dna will be present in the gametes of the fruit fly, drosophila, a diploid organism that has eight replicated chromosomes in each cell that enters meiosis.

The answer is a four double-helical molecules of DNA, which correspond to four unreplicated chromosomes. There will be four DNA molecules in to each gamete because the 8 replicated chromosomes in a diploid cell are compacted to 4 replicated chromosomes each cell at the closing of meiosis I. In meiosis II, the fellow chromatids of every replicated chromosome are disjointed. Each cell now comprises 4 unreplicated chromosomes, respectively with a single molecule of DNA. 

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