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Experimental material in the study of DNA replication has been

1. Escherichia coli
2. Neurospora crassa
3. Pneumococcus
4. Drosophila melanogaster

Correct answer: Escherichia coli

Solution

Escherichia coli is the classic experimental material for studying DNA replication because it grows quickly, is easy to culture, and has been used extensively in molecular genetics. Many foundational replication experiments were done in this bacterium.

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