Difference between pre ,post fertilization and fertilization in organisms??

Dear student assuming your question about events the answer will be as follows: pre fertilisation events include oogenesis and spermatogenesis. Fertilisation is fusion of male and female gamete and everything that happens afterwards is post fertilisation event such as zygote formation and embryonic development. Regards

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Pre fertilisation is the event that takes place after the process of fertilisation when fusion of male and female gamets take place, in case of sexual reproduction.. while in asexual reproduction, it is when the anthers get transferred to stigma.
Post fertilisation is the event that takes place after the process of fertilisation when the zygote formation takes place, in case of sexual reproduction.. while in asexual reproduction, it is when the ovary gets transformed into fruit and ovules get transformed into seeds............
HOPE IT WILL HELP YOU...........
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