Definition of crossing over in English:

crossing over

Syllabification: cross·ing o·ver


  • The exchange of genes between homologous chromosomes, resulting in a mixture of parental characteristics in offspring.
    More example sentences
    • Both predictions can be tested by examining patterns of gene conversion and crossing over in appropriately marked strains.
    • Using these data, we investigate several alternative models of how gene conversion and crossing over may be associated.
    • Recently, theoretical models have been developed that incorporate both crossing over and gene conversion.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
elaborate ornamentation of a vocal melody