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Embryology and Vertebrate

Embryology and Vertebrate. Sexual Reproduction. 2 individual create a SIMILAR offspring. Gonads. Sex Organs (Ovary and Testes). Gametes. Sex Cells (Egg and Sperm). MEIOSIS. When a person makes a sex cell Female: eggs Mae: sperm. https://www.youtube.com/watch?v=toWK0fIyFlY.

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Embryology and Vertebrate

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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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