Reproductive System and Hormones · Zoology

The corpus luteum develops from the:

  1. Primary follicle
  2. Secondary follicle
  3. Graafian follicle
  4. Atretic follicle
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Correct answer: Graafian follicle

After ovulation, the ruptured Graafian follicle transforms into the corpus luteum. It secretes progesterone to support early pregnancy.

Difficulty: Medium Question 14 of 20

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