In Drosophila and many other insects,the regions near the centromeres of most chromosomes are largely heterochromatin.These regions,therefore,are likely to be _______ methylated and to have _______ gene activity.
A) heavily;low to no
B) heavily;high
C) lightly;high
D) variably;high
E) lightly;low

Question

Quizplus · Accepted Answer

Heterochromatin is known to be heavily methylated and have low to no gene activity, so choice A is the best option.

In Drosophila and Many Other Insects,the Regions near the Centromeres