NEET Biology question
**Statement 1:** A piece of DNA inserted into an alien organism generally does not replicate if it is not inserted into a chromosome. **Statement 2:** Chromosomes have specific sequences called the 'ori' region, where DNA replication is initiated.
Answer: (A)
Solution
Both statements are true, and Statement 2 correctly explains Statement 1: a piece of foreign DNA will only be replicated within a host cell if it carries, or is integrated adjacent to, a sequence capable of initiating replication; chromosomes (and plasmid
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