Question:
Single nucleotide polymorphisms usually occur in ______________ regions.
Single nucleotide polymorphisms usually occur in ______________ regions.
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Understand the different sections of the DNA strand and its role in the genetic process.
Updated On: Feb 19, 2025
- Coding
- Non-coding
- Regulatory
- Exonic
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The Correct Option is B
Solution and Explanation
Non-coding regions: Single nucleotide polymorphisms (SNPs) are variations in a single nucleotide base, and they are most frequent in non-coding regions of DNA. These regions do not directly code for protein and are less subject to selection pressure, thus allowing more variation.
Coding regions: SNPs in coding regions may cause mutations.
Regulatory regions: Regulatory regions are also quite important for gene regulation, and the SNPs there may also have some kind of impact on gene expression.
Exonic regions: Exons refer to the protein-coding sections of a gene.
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