Exam 2

No, Short Tandem Repeats (STRs) are not Single Nucleotide Polymorphisms (SNPs). STRs are repeating sequences of two to six base pairs of DNA, whereas SNPs refer to variations at a single base pair in the DNA sequence. STRs involve the repetition of a short sequence, such as 'AT' repeated multiple times, whereas SNPs indicate a substitution, such as an 'A' being replaced by a 'G'. Both are used in genetic studies, but they represent different types of genetic variation.