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Meiosis; Biology
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Prophase I
-chromatids form tetrads with homologous chromosomes and crossing over or recombination takes place
Metaphase I (2)
-homologous chromosomes line up on opposite sides of equatorial plane
-homologous chromosomes line up independently of the other resulting in independent assortment
Anaphase I (2)
homologous chromosomes are seperated
-sister chromatids remain together
Telophase I
nuclear envelope reforms resulting in Haploid daughter cells
Prophase II
nuclear envelope dissolves
Metaphase II
chromosomes line up in the middle
Anaphase II
-sister chromatids are split apart
Telophase II
four haploid daughter cells formed
Recombination or Crossing over (2)
when tetrad chromatids exchange genetic information mixing paternal and maternal DNA
-happens in prophase I
independent assortment
In metaphase I, chromosomes line up randomly increasing genetic variation
Author
efrain12
ID
139077
Card Set
Meiosis; Biology
Description
meiosis
Updated
3/2/2012, 7:30:40 PM
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