Write T/F : PCR is DNA replication on a grander scale.

Explanation

**Step-by-Step Solution:**

1. **Understanding DNA Replication**:
- DNA replication is the biological process where a cell makes an exact copy of its DNA. This involves the formation of two daughter strands from a single parent strand.

2. **Understanding PCR (Polymerase Chain Reaction)**:
- PCR, or Polymerase Chain Reaction, is a laboratory technique used to amplify (make multiple copies of) a specific segment of DNA. It is not a natural process like DNA replication.

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