A : c-DNA libraries are important to scientists in human genomics.
R: c- DNA is synthetic type of DNA generated from mRNA.

Options

A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark
B. If both Assertion & Reason are true and the reason is not the correct explanation of the assertion , then mark
C. If Assertion is ture statement but Reason is false, then mark.
D. If both Assertion and Reason are false statements, then mark.

Answer

### Step-by-Step Solution:

1. **Understanding cDNA**:
- cDNA stands for complementary DNA. It is synthesized from mRNA through a process called reverse transcription.
- The enzyme reverse transcriptase is used to convert single-stranded mRNA into double-stranded cDNA.

2. **Importance of cDNA Libraries**:
- cDNA libraries are collections of cDNA clones that represent the mRNA expressed in a particular cell type or tissue at a specific time.
- These libraries are crucial for studying gene expression, understanding protein synthesis, and conducting research in human genomics.

3. **Analyzing the Assertion (A)**:
- The assertion states that cDNA libraries are important to scientists in human genomics. This is true as cDNA libraries allow researchers to analyze the genes that are actively expressed in human cells, which is essential for understanding genetic diseases and developing treatments.

4. **Analyzing the Reason (R)**:
- The reason states that cDNA is a synthetic type of DNA generated from mRNA. This is also true, as cDNA is indeed synthesized from mRNA using reverse transcriptase.

5. **Conclusion**:
- Both the assertion and the reason are true.
- The reason provided is a correct explanation for the assertion because it describes how cDNA is generated and why it is significant in the context of human genomics.

6. **Final Answer**:
- Therefore, the correct conclusion is that both statements are true, and the reason is the correct explanation of the assertion.