Events in Sexual Reproduction in Organisms

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Notes

Events in sexual reproduction in organisms:

After attainment of maturity, all sexually reproducing organisms exhibit events and processes that have remarkable fundamental similarities, even though the structures associated with sexual reproduction are indeed very different. The events of sexual reproduction though elaborate and complex, follow a regular sequence. Sexual reproduction is characterised by the fusion (or fertilisation) of the male and female gametes, the formation of zygotes and embryogenesis. For convenience, these sequential events may be grouped into three distinct stages namely,

  • Pre-fertilisation events
  • Fertilisation events
  • Post-fertilisation events
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