CROSSING OVER Definition & Meaning

crossing over

noun

Genetics.

the interchange of corresponding chromatid segments of homologous chromosomes with their linked genes.

crossing over

noun

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

crossing over

/ ��ô′sĭ�Բ�-ō′��ə�� /

The exchange of genetic material between homologous chromosomes that occurs during meiosis and contributes to genetic variability.

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�y��vlog History and Origins

Origin of crossing over¹

First recorded in 1910–15

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Example Sentences

Examples have not been reviewed.

“She hated the idea of that Hollywood enchantment crossing over into political discourse,” explains Wilkinson.

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Tellingly some Congolese army soldiers in Goma who surrendered on Monday, did so by crossing over the border into Rwanda.

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The foreign minister saw the dozens of women wrapped in light, multicoloured shawls and holding children of different ages crossing over on horse-drawn carts.

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Before crossing over to Uganda, the four men switched from speaking Swahili and started talking in the Ugandan languages, Luganda and Runyankole.

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There have been about 10 million encounters with migrants crossing over the US border since January 2021.

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