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Genetic recombination

Definition

noun

The process of forming new allelic combination in offspring by exchanges between genetic materials (as exchange of DNA sequences between DNA molecules).


Supplement

This process is a natural process, such as the crossing over between homologous chromosomes during meiosis. It can also be done artificially by applying genetic engineering techniques.


See also: genetic engineering, meiosis


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meiosis in the production of gametes ...

... one explain me the role of meiosis in the production of gametes and genetic variation through recombination of alleles and genes including independent assortment and crossing over (the ...

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by hephzi
Tue Aug 25, 2009 10:46 am
 
Forum: Cell Biology
Topic: meiosis in the production of gametes ...
Replies: 2
Views: 101

The Immune System - Recognition in innate immunity. How?

... individually from multiple genes by very complex mechanisms of recombination and mutation. The components of the innate immunity (e.g. Toll-like ... (PRRs) The adaptive immunity, on the other hand, is encoded by several genetic elements, require gene rearrangement, is extremely specific regarding ...

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by biohazard
Tue May 12, 2009 7:43 am
 
Forum: Cell Biology
Topic: The Immune System - Recognition in innate immunity. How?
Replies: 1
Views: 1343

Natural selection is proven wrong

... genes. New genes arise from old genes (no spontaneous generation at the genetic level either). Genomes are not static things, particularly at the ... the time. They can arise by new mutations, but they can also arise by recombination during meiosis that ensures that no two individuals will ever ...

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by wbla3335
Sun Apr 26, 2009 8:17 am
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 178
Views: 18092

Re: Natural selection is proven wrong

... Because MMR influences the rate of mutation as well as recombination, this pathway may be important with respect to speciation - defined broadly as the process of genetic divergence of populations - whether or not one favors a species definition ...

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by gamila
Sat Apr 25, 2009 9:58 am
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 178
Views: 18092

Can you use mtDNA to...

... All individuals differ in the sequences of their nuclear genomes due to recombination during meiosis and the union of sperm and egg. But mtDNA doesn't ... other than to an mtDNA that differs by five nucleotides. Building a genetic family tree from mtDNA sequence data, though, is difficult. What ...

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by wbla3335
Sat Apr 25, 2009 8:06 am
 
Forum: Genetics
Topic: Can you use mtDNA to...
Replies: 12
Views: 1568
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