Unequal crossing over

unequal crossing over

(Science: cell biology) crossing over between homologous chromosomes that are not precisely paired, resulting in nonreciprocal exchange of material and chromosomes of unequal length. Favoured in regions containing tandemly repeated sequences. A genetic defect occurring in crossing over where one of the homologous chromosomes receives more genetic information from the other chromosome than it passes over, therefore meaning that one of them has duplicated information while the other lacks the ex.


Please contribute to this project, if you have more information about this term feel free to edit this page



This page was last modified on 3 October 2005, at 21:16. This page has been accessed 13,200 times. 
What links here | Related changes | Permanent link