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Meiosis nerea

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TRabajo de clase para Biología MEC-BC. IES Pedro de Luna- 2011- Zaragoza SPAIN

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Meiosis nerea

  1. 1. Meiosis Nerea López Peirona 4ºB
  2. 2. Hello again! Now I talk about meiosis, it is amazing!
  3. 3. Early prophase I During early prophase it is the same as in mitosis Chromosomes Nuclear envelope Spindle pole
  4. 4. Prophase I Now, during prophase, also occurs the crossing over, where the homologous chromosomes exchange information. Spindle fiber
  5. 5. Metaphase I The chromosomes align in the middle
  6. 6. Anaphase I Chromosomes splitting apart (not chromatids)
  7. 7. Telophase I Each chromosome separates from the other, making two news.
  8. 8. <ul><li>After telophase I </li></ul><ul><li>the second meiotic division occurs (without DNA duplication before), </li></ul><ul><li>as a final result we have 4 haploid cells) </li></ul>
  9. 9. See you soon!

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