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CBSE Class 12: Reproduction in Organisms - Post Fertilization Events

Jun 18, 2015 18:30 IST

    In this video we will learn about the post fertilization events like formation of zygote and embryogenesis.

    • Two haploid gametes are fused to form a diploid zygote

    • Zygote will form outside the body in case of external fertilization and inside the body incase of internal fertilization

    • Embryogenesis event starts once diploid zygote will be formed

    • In embryogenesis, zygote grows, multiplies by mitotic division and differentiates in three layers that are: mesoderm, endoderm and ectoderm

    • These three layers give rise to different types of organs.

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