Canadian Medical Guide > Biological Sciences > Genetic Processes > Recombination, Genetic > Crossing Over (Genetics) Terms and Definitions
Crossing Over (Genetics)
Medical Definition: | The reciprocal exchange of segments at corresponding positions along pairs of homologous chromosomes by symmetrical breakage and crosswise rejoining. |
Guide Notes: | = interchange of genes or segments between homologous chromosomes; do not confuse with CROSSES, GENETIC, the result of breeding 2 varieties of the same species; DF: CROSSING OVER |
Previously Indexed: | Cytogenetics (1967),Genetics (1966-1967) |
Crossing Over (Genetics) Medical Definitions and Terms
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