Question

Moderately repeated DNA sequences can vary from _______ percent of the total DNA.

(a) 10-20

(b) 20-80

(c) 20-50

(d) 50-80

I have been asked this question at a job interview.

Origin of the question is Genome Structure topic in portion Nature of Genome of Cell Biology

Answer 1

Right choice is (b) 20-80

For explanation I would say: Moderately repeated DNA sequences can vary from 20 to more than 80 percent of the total DNA. They included sequences that code for known gene products like RNAs and proteins.