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Meiosis II

Definition

The second of the two consecutive divisions of the nucleus of eukaryotic cell during meiosis, and composed of the following stages: prophase II, metaphase II, anaphase II, and telophase II.


Supplement

During meiosis II, each of the two cells produced from meiosis I divides further into two cells, each containing one of every decoupled chromosome’s sister strands (chromatids), thus, producing four genetically different, haploid cells.


Also called: second meiotic division

Compare: meiosis I
See also: meiosis


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Yeast

I need help with this please? Provide a genetic explain for why when diploid yeast cells are sporulated (undergo meiosis), the resulting haploids were ALL tolerant to ethanol??? :D

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by leroymelo
Fri Nov 14, 2014 9:08 pm
 
Forum: General Discussion
Topic: Yeast
Replies: 0
Views: 466

Colorblindness Probability Help!

... is about 1 in every 1000 male births, the extra X chromosome coming either from the mother's egg or the father's sperm by nondisjunction during meiosis. Suppose the baby's father has red-green colorblindness. Would you predict that the baby boy with an XXY karyotype would also be colorblind, ...

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by kaylagh
Sun Sep 07, 2014 6:07 am
 
Forum: Genetics
Topic: Colorblindness Probability Help!
Replies: 0
Views: 1404

mitosis and miosis

In a nutshell: Mitosis- The division of a cell to create two identical new cells. Meiosis- The division of a cell into a gamete, carrying half the genetic DNA of a normal cell, to fertilize another gamete (Example, sperm fertilizing an egg)

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by CaptainCovalency
Thu Jul 10, 2014 3:58 am
 
Forum: Cell Biology
Topic: mitosis and miosis
Replies: 2
Views: 4001

genetic

... are possible in daughter cells following mitosis? b. What combination(s) of chromosomes are possible in haploid cells following both divisions of meiosis? (Hint: remember independent assortment)

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by lachatausa
Fri Mar 21, 2014 2:55 am
 
Forum: Genetics
Topic: genetic
Replies: 1
Views: 4162

Meiosis prophase I crossover

“Chromosomal crossover (or crossing over) is the exchange of genetic material between homologous chromosomes that results in recombinant chromosomes.” http://en.wikipedia.org/wiki/Chromosomal_crossover Question: Due to the multiple layers of winding, how can parts of the chromosome break evenly? Is ...

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by gs99
Fri Mar 07, 2014 9:23 pm
 
Forum: Molecular Biology
Topic: Meiosis prophase I crossover
Replies: 0
Views: 4927
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