Which of these differences between male and female cockroaches ( Periplaneta americana ) is correct ?

Options

A. The testis in male cockroach is longer than the ovary in female cockroach.
B. The male cockroach has anal cerci while female cockroach has an anal style.
C. The male cockroach has one chromosome less than the female cockroach .
D. The spermatheca is found in male cockroach while ootheca is found in the female cockroach .

Answer

C