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Biology · HUMAN REPRODUCTION

हिन्दी

Which of the following represents the correct chronological sequence of reproductive events in human beings?

  1. Gametogenesis → Insemination → Fertilisation → Implantation → Gestation → Parturition
  2. Gametogenesis → Insemination → Implantation → Fertilisation → Gestation → Parturition
  3. Gametogenesis → Fertilisation → Insemination → Gestation → Implantation → Parturition
  4. Insemination → Gametogenesis → Fertilisation → Implantation → Parturition → Gestation

Correct answer · Option 1

Gametogenesis → Insemination → Fertilisation → Implantation → Gestation → Parturition

Explanation

As described in NCERT, reproductive events in humans follow the sequence: Gametogenesis (formation of gametes) → Insemination (transfer of sperms) → Fertilisation (fusion of gametes) → Implantation (attachment of blastocyst) → Gestation (embryonic development) → Parturition (delivery of baby).
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