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Dictionary » G » Genetic recombination

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 = extreme confusion. Please help!

... in two important respects:- the chromosomes in meiosis undergo a recombination which shuffles the genes producing a different genetic combination in each gamete, compared with the co-existence of each of the two separate ...

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by bellyjelly
Tue Jul 12, 2011 10:16 am
 
Forum: Cell Biology
Topic: Meiosis = extreme confusion. Please help!
Replies: 10
Views: 5389

Re: Mutated cells

... can involve large sections of DNA becoming duplicated, usually through genetic recombination.

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by harrygail87
Wed Dec 22, 2010 11:51 am
 
Forum: Cell Biology
Topic: Mutated cells
Replies: 11
Views: 1010

I need some help on these questions

... are guanine? 80,60,40,20, or 30 The dna double helix is? A puzzle to geneticists, composed of 2 chromosomes, composed of adenine and and guanine, ... Gene flow is accomplished by? Migration, natural selection, sexual recombination, genetic drift, mutation, The founder effect differs from a ...

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by 2001ChevyZ71
Sun Nov 28, 2010 3:20 am
 
Forum: General Discussion
Topic: I need some help on these questions
Replies: 4
Views: 1134

Re: Experimental evidence for evolution

... 4) In nature, there are factors other than mutation that contribute to genetic change: sexual reproduction and other forms of recombination, polyploidy, the incorporation of whole new genomes, as when mitochrondria became ...

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by StevePush
Wed Oct 20, 2010 3:30 am
 
Forum: Evolution
Topic: Experimental evidence for evolution
Replies: 102
Views: 50832

Re: Evolution of sexual reproduction

... males must remain compatible with at least some females or become genetic dead-ends. Females don't always remain compatible. Some species are ... Indeed, sexual reproduction has evolved at least six times. Apparently recombination allows organisms to avoid fatal doses of damaging mutations.

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by StevePush
Wed Oct 06, 2010 4:46 am
 
Forum: Evolution
Topic: Evolution of sexual reproduction
Replies: 29
Views: 9822
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