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Meiosis
defintions on meiosis
17
Biology
9th Grade
01/05/2012

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Cards

Term
diploid
Definition
double
Term
meiosis I
Definition

2 daughter cells are produced

  • prophase I
  • metaphase I
  • anaphase I
  • telophase I
  • cytokinesis
Term
meiosis II
Definition

4 daughter cells are produced

  • prophase II
  • metaphase II
  • anaphase II
  • telophase II
  • cytokinesis

 

 

Term
prophase I
Definition
  • Chromatin condenses into to form chromosomes
  • homologus chromosomes attach to form tetrads
  • crossing over can occur while the tetrads are being formed
Term
metaphase I
Definition
  • tetrads line up in the center
  • spindle fibers attach to centromeres
Term
anaphase I
Definition
  • homologous chromosomes seperate
  • spindle fibers pull them to opposite poles
Term
telophase I
Definition
  • nuclear membrane reforms
Term
prophase II
Definition
chromosomes already formed
Term
metaphase II
Definition
  • chromosomes line up along the equator
Term
anaphase II
Definition
  • sister chromatids seperate
  • move to oppsite ends
Term
telophase II
Definition
  • nuclear envelope reforms
Term
cytokinesis
Definition
  • cytoplasm splits
Term
tetrads
Definition
  • four
Term
homologous
Definition
same
Term
oogenesis
Definition
meiosis in females
Term
spermatogenesis
Definition
meiosis in males
Term
meiosis
Definition
process of gamete formation and consisting of 2 cell divisions
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