Crossing over
- Pronunciation
- /KROSS-ing oh-ver/
- Category
- Genetics
- Singular
- Crossing over
- Plural
- Crossing overs
Definition
The exchange of genetic material between homologous chromosomes during meiosis, resulting in new combinations of alleles.
Etymology
From the Latin 'crux' meaning 'cross', referring to the crossing over of chromosomes.
Example
Crossing over occurs during Prophase I of meiosis and leads to genetic diversity.