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Embryology and Vertebrate Sexual Reproduction Process

Explore the fascinating world of embryology and vertebrate sexual reproduction, from gonads and gametes to meiosis and fertilization. Learn about spermatogenesis, oogenesis, polar bodies, somatic cells, diploid and haploid cells, zygote formation, and the process of cleavage and differentiation in embryonic development.

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Embryology and Vertebrate Sexual Reproduction Process

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  1. Embryology and Vertebrate

  2. Sexual Reproduction • 2 individual create a SIMILAR offspring.

  3. Gonads • Sex Organs (Ovary and Testes)

  4. Gametes • Sex Cells (Egg and Sperm)

  5. MEIOSIS • When a person makes a sex cell • Female: eggs • Mae: sperm https://www.youtube.com/watch?v=toWK0fIyFlY

  6. Spermatogenesis • One primary sex cell produces 4 sperm cells

  7. OOgenesis • One primary egg cell produces 1 egg and 3 polar bodies

  8. Polar Bodies • Non-viable cells

  9. Somatic Cells • Body Cells

  10. Diploid • Full Set / 2n / 46 chromosomes

  11. Haploid • Half Set / n / 23 chromosomes

  12. zygote • Egg + Sperm = 1 cell https://www.youtube.com/watch?v=jsFn-_SC2Q8

  13. Fertilization • Egg and Sperm unite https://www.youtube.com/watch?v=_5OvgQW6FG4

  14. Cleavage • Mitosis (identical cell division)

  15. Morula • Solid ball of cells

  16. blastula • Hollow ball of cells

  17. gastrula • Pinches in

  18. gastrulation • Differentiation • Cells / Specialize

  19. Differentiation • Ectoderm – Outside (Skin) • Mesoderm – Middle (Muscle) • Endoderm – Inner (Digestive)

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