The luteal phase of the ovulation cycle of mammals corresponds to the __________ phases of the estrous cycle.
A)proestrus and estrus
B)estrus and metestrus
C)metestrus and diestrus
D)diestrus and proestrus

Question

Quizplus · Accepted Answer

The luteal phase occurs after ovulation and is characterized by the presence of the corpus luteum, which produces progesterone. This corresponds to the metestrus and diestrus phases of the estrous cycle, which are also characterized by high levels of progesterone. Proestrus and estrus are characterized by rising estrogen levels and the preparation for ovulation, which occur before the luteal phase. Therefore, choice C is the best answer.

The Luteal Phase of the Ovulation Cycle of Mammals Corresponds