What does PCR stand for ? Describe the different steps of PCR.

Explanation

**Step-by-Step Text Solution:**

1. **Definition of PCR:**
PCR stands for Polymerase Chain Reaction. It is a technique used to amplify specific DNA fragments, allowing for the creation of millions of copies from a small initial sample.

2. **Components of PCR:**
The main components required for PCR include:
- **Template DNA:** The DNA that contains the target sequence to be amplified.
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