genetic recombination

(redirected from Sexual recombination)

ge·net·ic re·com·bi·na·tion

1. the presence in progeny of combinations of genotypes and perhaps phenotypes, not present in either parent, resulting from crossing-over;
2. in microbial genetics, the inclusion of a chromosomal part or extrachromosomal element of one microbial strain in the chromosome of another; the interchange of chromosomal parts or genes between different microbial strains.

genetic recombination

see RECOMBINATION.
References in periodicals archive ?
Chan and his colleagues focused their work on the laboratory plant Arabidopsis, which has certain genetic mutations that allow it to produce diploid eggs without sexual recombination.
It is because the fungus that causes the wheat disease called stripe rust may use sexual recombination to adapt to resistant varieties of wheat.
There, mild to subtropical climates in areas where sunflowers grow allow the rust fungus, Puccinia helianthi, to skip its winter survival phase and evolve more rapidly via sexual recombination.
One quote makes the point: 'One respect in which [memes] are not like genes is that there is nothing obviously corresponding to chromosomes or loci or alleles or sexual recombination.
Variation comes forth via mutations and sexual recombination.
The differences seen between Asian and American rust specimens may be due to the fungus' apparent lack of sexual recombination in the United States and Costa Rica.