What is DNA probe? What are its uses?

Explanation

### Step-by-Step Solution:

1. **Definition of DNA Probe**:
- A DNA probe is a short strand of DNA, typically consisting of 10 to 15 nucleotide sequences, also known as an oligonucleotide. It is designed to hybridize or bind to a specific complementary sequence of DNA in a sample.

2. **Functionality of DNA Probes**:
- DNA probes are utilized in various molecular biology techniques. They can be labeled with a detectable marker (like a fluorescent dye or radioactive isotope) to allow for visualization and identification of specific DNA sequences.

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