State True or False:
VNTR is non-radioactive and probe is radioactive.

Answer

To determine whether the statement "VNTR is non-radioactive and probe is radioactive" is true or false, we can break it down into two parts:

1. **Understanding VNTR**:
- VNTR stands for Variable Number of Tandem Repeats.
- VNTRs are sequences in DNA that consist of short sequences of base pairs that are repeated multiple times.
- VNTRs do not inherently require any radioactive materials for their analysis or detection. They are often analyzed using techniques such as gel electrophoresis, which does not involve radioactivity.

2. **Understanding Probes**:
- Probes are short strands of DNA or RNA that are labeled with a radioactive or fluorescent marker.
- These probes are used to detect specific sequences of DNA or RNA in a sample.
- In many cases, probes can be radioactive, which allows for the visualization of the hybridization between the probe and the target DNA or RNA.

Now, we can evaluate the statement:

- The first part of the statement claims that "VNTR is non-radioactive." This is true because VNTRs themselves do not require radioactivity for their detection.
- The second part of the statement claims that "the probe is radioactive." This is also true, as probes can be labeled with radioactive isotopes for detection purposes.

Since both parts of the statement are true, we conclude that the overall statement is **True**.

### Final Answer:
**True**