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Question
Which of the following is not a pre-fertilization event in higher organisms?
Which of the following is not a pre-fertilization event in higher organisms?
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Solution
The correct option is C Cleavage
Meiosis in gamete mother cells forms the gametes during the process of gametogenesis. This is followed by transfer of male gametes to the female reproductive tract to facilitate fertilization. Fertilization forms zygote which then undergoes cleavage to form morula. So, gametogenesis, gamete transfer and meiosis are the events that occur before fertilization but cleavage occurs after fertilization. Thus, the correct answer is C.
Meiosis in gamete mother cells forms the gametes during the process of gametogenesis. This is followed by transfer of male gametes to the female reproductive tract to facilitate fertilization. Fertilization forms zygote which then undergoes cleavage to form morula. So, gametogenesis, gamete transfer and meiosis are the events that occur before fertilization but cleavage occurs after fertilization. Thus, the correct answer is C.
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