For which type of variation could the size of generated PCR product(s) be used to determine, for an individual, the allele(s) he/she carried for that type of variation?
A) Insertion/Deletion polymorphism (InDel)
B) simple-sequence repeat polymorphism (SSR)
C)single nucleotide polymorphism (SNP)
D) A and B
E) all of the above
The correct answer is-
D) A and B
Single- nucleotide polymorphism is the variation in the genetic sequence substituting one of the nucleotides with other. This does not lead to change in size of the DNA and thus this variation could not be determined by the size of generated PCR product.
On the other hand, Insertion/Deletion polymorphism (InDel) and simple-sequence repeat polymorphism (SSR) leads to change in the size of the DNA due to variation and thus it can be easily detected by the size generated PCR product.
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