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Bivalent chromosome

Bivalent chromosome

a pair of chromosomes temporarily united.


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Questions re crossing over and histones

A question I encountered is asking to demonstrate using a diagram of a bivalent of the F1 progeny with a single crossing over event causing all ... what? Also why do prokaryotes not have histones surrounding their chromosome? I thought it was because there was only one chromosome, therefore ...

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by dawn1070
Wed Jun 16, 2010 6:41 am
 
Forum: Genetics
Topic: Questions re crossing over and histones
Replies: 3
Views: 2152

Chromosome segregation

... question where they ask me to say that what the genetic recombination, chromosome segregation are, and the biological importance of each of these ... of two of the four chromatids of homologous chromosomes to form a bivalent, beginning the interbreeding with rupture of the two double DNA ...

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by Fidias
Mon Jun 07, 2010 4:46 pm
 
Forum: Cell Biology
Topic: Chromosome segregation
Replies: 1
Views: 2624

Questions about Biology's term

Chromosome: Is a structure composed of DNA which carries genetic information. Homologous Chromosome: ... are both chromatids. At anaphase these separate and become two new chromosomes. Bivalent: A chromosome that has duplicated to form two sister chromatids still held together ...

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by Jesse2504
Tue Jun 23, 2009 6:25 am
 
Forum: General Discussion
Topic: Questions about Biology's term
Replies: 6
Views: 7124

Questions about Biology's term

What is the difference between chromatid, chromatin and chromosome? It also state that bivalent is visible under microscope as a 4 part structure called tetrad. Is this means that bivalent ...

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by dorevidadamn
Sun Jun 21, 2009 2:53 am
 
Forum: General Discussion
Topic: Questions about Biology's term
Replies: 6
Views: 7124

Questions about Biology's term

... tell me the meaning of some biology's terms? The terms are as follow: Chromosome Homologous Chromosome Chromatin Chromatid Bivalent Tetrad But not least tell me the differentiate between them. I hope you can label ...

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by dorevidadamn
Sat Jun 13, 2009 3:34 am
 
Forum: General Discussion
Topic: Questions about Biology's term
Replies: 6
Views: 7124
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