crossing over or cross·ing-o·ver (krô s ng-  v r, kr sng-)n. The exchange of genetic material between homologous chromosomes that occurs during meiosis and contributes to genetic variability. |
crossing over
n
(Life Sciences & Allied Applications / 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 linkage [4]
| crossing over or crossing-over (krôsng-vr) The exchange of genetic material between homologous chromosomes that occurs during meiosis and contributes to genetic variability. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  crossing over - the interchange of sections between pairing homologous chromosomes during the prophase of meiosisdiplotene - the fourth stage of the prophase of meiosis biological process, organic process - a process occurring in living organisms |
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