crossing over


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crossing over

or cross·ing-o·ver (krô′sĭng-ō′vər, krŏs′ĭng-)
n.
The exchange of genetic material between homologous chromosomes that occurs during meiosis and contributes to genetic variability.

crossing over

n
(Genetics) biology the interchange of sections between pairing homologous chromosomes during the diplotene stage of meiosis. It results in the rearrangement of genes and produces variation in the inherited characteristics of the offspring. See also linkage4

cross′ing o′ver


n.
the exchange of segments of chromatids between pairs of chromosomes during meiosis, resulting in a recombination of linked genes.
[1910–15]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.crossing over - the interchange of sections between pairing homologous chromosomes during the prophase of meiosiscrossing over - the interchange of sections between pairing homologous chromosomes during the prophase of meiosis
diplotene - the fourth stage of the prophase of meiosis
biological process, organic process - a process occurring in living organisms
Translations
References in periodicals archive ?
Roberts attributed the division's records to its strong product offerings and the record numbers of people crossing over from cars to trucks.