試題詳解

7. Why might the cricket genome have 11 times as many base pairs than that of fly, Drosophila melanogaster?
(A) The two insect species evolved at very different geologic eras.
(B) Crickets have higher gene density.
(C) Drosophila are more complex organisms.
(D) Crickets must have more non-coding DNA.
(E) Crickets must make many more proteins.