Maximum number of possible alleles in SNP marker is four
Question
Maximum number of possible alleles in SNP marker is four
Solution
That's correct. A Single Nucleotide Polymorphism (SNP) marker refers to a variation at a single position in a DNA sequence among individuals. Since there are four types of nucleotides in DNA - Adenine (A), Thymine (T), Cytosine (C), and Guanine (G), the maximum number of possible alleles in an SNP marker is four. However, most SNPs have only two alleles, corresponding to the two versions of the single nucleotide present at that specific position in the population.
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