Using PCR to amplify the same region of the genome from different individuals can identify differing lengths due to different numbers of repeated sequences referred to as:

Question

Quizplus · Accepted Answer

PCR amplification of variable number tandem repeats allows for the identification of differing lengths due to different numbers of repeated sequences, making option A the correct answer. Restriction fragment length polymorphisms (B) are DNA fragments that vary in length among individuals due to differences in the location of recognition sites for restriction enzymes. Single-nucleotide polymorphisms (C) are single-letter changes in DNA sequence that can occur at a specific position in the genome. Copy-number variations (D) are differences in the number of copies of a particular gene or chromosomal segment among individuals. First-division nondisjunctions (E) refer to errors in meiosis that can result in gametes with abnormal numbers of chromosomes.

Using PCR to Amplify the Same Region of the Genome