Refer to the figure showing crossing over. This figure depicts
A) prophase I.
B) prophase II.
C) metaphase I.
D) metaphase II.
E) anaphase.

Question

Refer to the figure showing crossing over.  This figure depicts
A) prophase I. 
B) prophase II. 
C) metaphase I. 
D) metaphase II. 
E) anaphase.

Quizplus · Accepted Answer

The figure shows homologous chromosomes crossing over during prophase I of meiosis. This is indicated by the exchange of genetic material (segments labeled A and B) between the non-sister chromatids of the homologous chromosomes. Therefore, the correct choice is A - prophase I.

Refer to the Figure Showing Crossing Over