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Question
Which of the following animals does not have oestrus cycle?
Options
Sheep
Tigers
Dogs
Apes
MCQ
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Solution
Apes
Explanation:
Animals like sheep, tigers, and dogs exhibit the oestrus cycle, where females are receptive to mating only during specific periods of the year (breeding season). Apes and other higher primates, however, have a menstrual cycle instead of an oestrus cycle, where the endometrial lining is shed periodically regardless of mating season, allowing continuous reproductive potential throughout the year.
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