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Chromosome segregation

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Chromosome segregation

Postby Fidias » Mon Jun 07, 2010 4:46 pm


I have a question where they ask me to say that what the genetic recombination, chromosome segregation are, and the biological importance of each of these concepts.

I know that genetic recombination is a process that occurs in the first meiotic division, specify in prophase I (subphase: pachytene), and consists of the intersection of two of the four chromatids of homologous chromosomes to form a bivalent, beginning the interbreeding with rupture of the two double DNA chains and subsequent alternative splicing, joining in a single fiber of the genes of a chromatid.

And the biological importance of genetic recombination, as a source of variable characters, would be the contribution to the phenomenon of evolution of species, right?

However, I do not know what is chromosome segregation, nor what is its biological significance.

Could you help me, please?

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Postby JackBean » Mon Jun 07, 2010 6:10 pm

come on, that's not on Google?
that's the process, when chromosomes pairs and are divided into two new cells, from each pair just and exactly one ;)

I hope the importance is clear from that.

Cis or trans? That's what matters.
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