Class 12th Reproduction in Organisms - Pre-Fertilization Events

In this video we will learn about the pre fertilization events like gametogenesis, gamete transfer and fertilization.

  • Once the organisms attain the maturity, they exhibit the events and process in a regular sequence as pre-fertilization, fertilization and post fertilization.
  • Gametes are haploid cells
  • Same types of gametes are called as homogametes or isogametes while different gametes are called as Heterogametes.  
  • Further heterogametes are classified as anthrozoids or sperm and eggs or ovum 
  • Fusion of male and female gametes is called as fertilization.
  • Medium for the fertilization is generally water but not always

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