BY5.2 Gametogenesis

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  • production of gametes in the gonads
  • spermatogenesis: the production of sperm in the testis
  • oogenesis: the production of eggs in the ovary


  • occurs at the start of puberty and continues throughout life
  • occurs within the seminiferous tubules

seminiferous tubules to the rete testis to the vas efferens to the epididymis to the vas deferns to the urethra

  • primordial germ cels (2n) from a spermatogonium
  • spermatogium divides by mitosis to become a primary spermatocyte (2n)
  • meioiss I occurs to form a secondary spermatocyte (2n)
  • meiosis…


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