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Metaphase ii

metaphase II

(Science: cell biology) The stage in the second meiotic division of meiosis that follows prophase II, during which the chromosomes are aligned along a single plane in the centre of each cell produced during the first meiotic division (two total cells). Each chromosome can clearly be observed as a pair of joined, identical chromatids. The stage ends as soon as the centromeres connecting the pairs to each other break.


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independent assortment

... sister chromatids are no longer identical so diversity should be increased during meiosis II because of independent assortment of chromosomes in metaphase II, conserning the recombinant and non-recombinant sister chromatids. Am I right or is there more to this story? Why is this never mentioned ...

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by leeroykincaid
Fri Apr 12, 2013 7:28 am
 
Forum: Cell Biology
Topic: independent assortment
Replies: 2
Views: 3333

Re: Mitosis and meiosis!

... of chromosomes number compared parent cell. In Meiosis Prophase I is different from Prophase in mitosis where there is crossing over occur. In Metaphase I, the homologous chromosomes are aligned at the equatorial line while metaphase in mitosis not. In Anaphase I, the homologous chromosomes ...

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by mavis
Wed Jan 30, 2013 9:00 am
 
Forum: Cell Biology
Topic: Mitosis and meiosis!
Replies: 3
Views: 3674

Re: Crossing Over

I have a prof that says that crossing over in meiosis happens during metaphase 1. I asked her about this, pointing out the evidence that I had that said that crossing over happens during prophase 1. She says that the line between prophase and metaphase are ...

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by LadyAmalara
Thu Oct 25, 2012 12:43 am
 
Forum: Genetics
Topic: Crossing Over
Replies: 12
Views: 22622

Re: Genetics Homeworkkk!!! PLEASE HELP

... from his mother. Using the Genotype of this man, and only considering chromosomes #1, X, and Y, draw the correct configuration of chromosomes for Metaphase of Mitosis and one possibility for Metaphase of Meiosis 1. Shade in the paternal chromosomes and label the appropriate chromatid with the ...

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by david23
Fri Sep 14, 2012 11:03 pm
 
Forum: Genetics
Topic: Genetics Homeworkkk!!! PLEASE HELP
Replies: 5
Views: 3142

Genetics Homeworkkk!!! PLEASE HELP

... from his mother. Using the Genotype of this man, and only considering chromosomes #1, X, and Y, draw the correct configuration of chromosomes for Metaphase of Mitosis and one possibility for Metaphase of Meiosis 1. Shade in the paternal chromosomes and label the appropriate chromatid with the ...

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by els09011
Thu Sep 13, 2012 1:09 am
 
Forum: Genetics
Topic: Genetics Homeworkkk!!! PLEASE HELP
Replies: 5
Views: 3142
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