Medical Quiz

Topics: Biotechnology: Tools & Techniques Quiz

Variable number tandem repeats (VNTRs) differ from STRs because they:

A. Have no repeating sequences

B. Are longer sequences of DNA (10-80 base pairs) compared to STRs

C. Are only found in coding regions of the genome

D. Do not vary between individuals

Select your answer:
     


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What is the role of free nucleotides in PCR?

A. They break apart the DNA

B. They provide energy for the reaction

C. They are added to the growing DNA strand during replication

D. They stop the reaction from proceeding