The sequence ATGCT is repeated between 50 and 75 times (depending on the individual chromosome) in a row on a chromosome.It is not transcribed.This is an example of
A) moderately repetitive DNA.
B) a short tandem repeat.
C) a LINE.
D) a SINE.
E) a DNA transposon.

Question

Quizplus · Accepted Answer

Short tandem repeats (STRs) are sequences of DNA that are repeated in a row on a chromosome. The sequence ATGCT repeated between 50 and 75 times fits the definition of an STR because it is a short sequence repeated many times in tandem (next to each other) and is not transcribed.

The Sequence ATGCT Is Repeated Between 50 and 75 Times