mitosis/meiosis

• mitosis


  process
• meiosis


  creates egg and sperm cells
• cell cycle


  series
• interphase


  spends most of its time
• G1


  accumulates
• S


  DNA Replication
• G2


  Continues to grow
• Mitosis


  Divides into two nuclei, Identical
• Pro


  Before, Visible, Migrate
• Meta


  Metaphase plate, Connect and attach, Dissolve
• Ana


  Move away
• Telo


  Nuc. memb., Fibers disappear
• Cytokinesis


  Div. of cytoplasm
• STAGES

  Pro - before

  Meta - middle

  Ana - away

  Telo - two
• Meiosis


  Reduces chrom. in half
• Gametes


  Sex cells
• Chromosomes


  Structure, Proteins and DNA
• Meiosis I

  Double cell, no. of chrom. no
• Haploid


  Single
• Diploid


  Two complete
• Spermatogenesis


  Sperm, Single
• Oogenesis


  Egg, Fetus
• Pr1


  Exchange of DNA
• Homologous


  Pair
• Crossing over


  line up
• Mt1


  Alignment
• An1


  Begins when chr. sep.
• TL1


  Enclosed in nuclei
• Pr2


  Chr. Condense, new spindle
• Mt2


  Line up end-to-end, opposite poles
• An2


  Chromatid separate
• Tl2


  Arrive, Decondense, Complete separation