Dictionary » S » Synapsis


Synapsis: The pairing of homologous chromosomes during the meiotic phase of cell division

The act of lining up side by side by homologous chromosomes during the meiotic phase of cell division

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Re: Differences Between Mitosis and Meiosis, Help please

Essentially you are correct. During a meiotic cell division, homologous chromosomes form a tetrad during synapsis and undergo disjunction during Anaphase I, reducing the total chromosome number by half. During mitosis however, homologous chromosomes do not pair up. During anaphase ...

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by dkush87
Thu Jan 20, 2011 3:55 pm
Forum: Genetics
Topic: Differences Between Mitosis and Meiosis, Help please
Replies: 2
Views: 9894

human physiology qu please help

... binds to receptors on the second change ion receptor shape. a part also acts as Na + channel. Na+ flood in note this is a rough guideline. google synapsis. this mechanism has been outlined for Ach. other chemicals could also play a role.

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by jwalin
Sat Dec 19, 2009 2:23 am
Forum: Physiology
Topic: human physiology qu please help
Replies: 3
Views: 5754

Biology Meiosis Drawing Help!

... in each phase. *Include a cross over even on each chromosome during proper phase of meiosis. Color code the pairs of chromosomes. Point out where synapsis and tetrad formation take place. Please help draw this on PAINT and post the picture up here so i can understand meiosis better for this situation ...

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by applegrapekiwiorange
Tue Dec 01, 2009 6:26 pm
Forum: General Discussion
Topic: Biology Meiosis Drawing Help!
Replies: 2
Views: 3042

Synapsis in prophase 1 of meiosis

Please can anyone explain how this happens? How do homologous chromosomes identify each other to pair up? Also What molecular machinery is involved in crossing over and ensuring that it happens at the same point on the two chromosomes?

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by seasquirt
Sun Dec 30, 2007 11:43 am
Forum: Cell Biology
Topic: Synapsis in prophase 1 of meiosis
Replies: 0
Views: 4158

Cell differentiation

The question is: Cell differentiation occurs following: synapsis metaphase I prophase II metaphase II telophase II If I have done my reading correctly, the correct answer is metaphase II Metaphase, from the ancient Greek μετα (after) ...

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by msimonsen1
Mon Dec 11, 2006 9:33 pm
Forum: Molecular Biology
Topic: Cell differentiation
Replies: 5
Views: 3052
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