Why might the cricket genome have 11 times as many base pairs as that of Drosophila melanogaster?
A)The two insect species evolved in very different geologic eras.
B)Crickets have higher gene density.
C)Drosophila are more complex organisms.
D)Crickets must have more noncoding DNA.

Question

Quizplus · Accepted Answer

The question specifically asks for the reason for the difference in base pairs and noncoding DNA is a major contributor to genome size variations. Therefore, choice D is the best answer. The other options do not provide a clear explanation for the difference in genome size. Choice B is ambiguous as it is possible for both high and low gene density to contribute to genome size variations.

Why Might the Cricket Genome Have 11 Times as Many