In mammals that are seasonal breeders, females are receptive only once a year. This is called:
Correct answer: B. An estrous cycle
- A. A follicular cycle
- B. An estrous cycle
- C. A menstrual cycle
- D. A luteal cycle
Explanation
An estrous cycle is the reproductive cycle in mammals, during which the female is sexually receptive and displays behaviors to attract males. It is commonly observed in species that are seasonal breeders.
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About Reproduction
Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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