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CH1, CH2 - Coggle Diagram

- - - - 全身細胞會把自己表現的gene傳給生殖細胞
  - - - homunculus
  - - - 但其實子代只會接收一個allele
- - - - 核膜裂解
    - - 染色質濃縮
    - - 核膜消失，microtuble抓住chromosome
        
        microtuble的tubulin subunit綁在kinetocher上
        
        另一端綁在centrosome上(此端會縮短)
    - - 染色體排列中間
    - - microtuble縮短
  - - - 染色體完成複製
    - - 同源染分離
        
        prophase I
        
        synapsis聯會:同原染色體靠近
        
        tertrad四分體
        
        crossover
        
        metaphase I
        
        anaphase I
        
        telophase I
    - - 姊妹染分離
        
        metaphase II
        
        anaphase II
        
        prophase II
        
        telophase II
      - cohesin會綁住姊妹染
        
        shugoshin會加固cohesin(因此在meiosis I時姊妹染不會分開)
  - - - primary spermatocyte(2n)
      - secondary spermatocyte(n)
      - spermatogonium(2n)
      - spermatids(n)
      - sperm
    - - secondary oocyte(n) / first polar body
      - ovum(n) / secondary polar body
      - primary oocyte(2n)
      - oogonium(2n)
- - - - 上下等分
    - - 上面超級短
    - - 上短下長(平常畫的)
    - - 3&7分