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According to Fisher, Rh antigen is contr...

According to Fisher, Rh antigen is controlled by how many closely linked genes?

A

3

B

4

C

5

D

6

Text Solution

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The correct Answer is:
To solve the question regarding how many closely linked genes control the Rh antigen according to Fisher, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding the Question**: The question asks about the number of closely linked genes that control the Rh antigen as per Fisher's findings. 2. **Identifying Key Concepts**: The Rh antigen is related to blood types and is an important factor in blood transfusions. The inheritance of the Rh antigen is controlled by specific genes. 3. **Researching Fisher's Findings**: According to Fisher, the Rh inheritance is controlled by multiple loci on chromosomes. Specifically, it is important to note how many loci are involved. 4. **Counting the Loci**: Fisher identified that the Rh antigen is controlled by 3 closely linked loci. Each of these loci has its own set of alleles. 5. **Conclusion**: Based on this information, the answer to the question is that the Rh antigen is controlled by 3 closely linked genes. ### Final Answer: The correct answer is **3** closely linked genes. ---
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