Dictionary » R » Recombination



noun, plural: recombinations

(1) (genetics) The process or act of exchanges of genes between chromosomes, resulting in a different genetic combination and ultimately to the formation of unique gametes with chromosomes that are different from those in parents.

(2) (general) The process or act of bringing together (dissociated materials) once more.


In genetics, recombination occurs during meiosis when chromosomes exchange genes. Thus, recombination is one of the important means to promote and increase genetic diversity between generations.

Word origin: re- (again) + combination

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... First you use a sequence with the selection marker (as usually), but that is later excised by I-SceI cleavage and the second Red recombination.

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by JackBean
Sun May 11, 2014 6:35 pm
Forum: Genetics
Topic: Mutagenesis
Replies: 2
Views: 868

Holliday Model of Homologous Recombination VIDEO MISTAKE?

Hello, In class today the teacher said there is something wrong with the following animation of the "Holliday Model of Homologous Recombination": http://www.youtube.com/watch?v=bkoJOZCoOOg She didn't say what it is but I will have to know this on the test very accurately and the ...

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by Rok
Mon Dec 02, 2013 2:01 pm
Forum: Cell Biology
Topic: Holliday Model of Homologous Recombination VIDEO MISTAKE?
Replies: 0
Views: 822

Re: Year 11 Meiosis helpp!!!

During the first part of meiosis (prophase 1) there can be recombination (crossover) of homologous chromosomes. This would show up on your diagram as being a little bit of red on one arm of the blue X, and a matching little bit of blue in the same place ...

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by ChrisHoStuart
Wed Oct 16, 2013 9:36 am
Forum: Human Biology
Topic: Year 11 Meiosis helpp!!!
Replies: 3
Views: 2956

Why must we avert the genome of Eden?

... perfect sense in contrast to the incoherent polemics of the Darwinian approach. The purpose of genders is a bit more theoretical issue. Genetic recombination does not justify the existence of genders, it can work without them. To demonstrate the concept, let me use an analogy: Let's say we have ...

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by Hunor
Mon Sep 23, 2013 12:08 am
Forum: Evolution
Topic: Why must we avert the genome of Eden?
Replies: 6
Views: 8022

meiome and genome

... meiotic transcriptome.[1][2] Meiosis is a key feature for all sexually reproducing eukaryotes in which homologous chromosome pairing, synapse and recombination occur. In addition to strong meiotic stage-specific expression of mRNA (the meiome), however, there are also pervasive translational controls ...

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by mattw
Sun May 05, 2013 2:58 am
Forum: Genetics
Topic: meiome and genome
Replies: 0
Views: 2579
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