Crossing-over

(From Eng. crossing-over - crossover) - mutual exchange of homologous segments between homologous chromosomes as a result of breakage and rejoining in a new order of their strands - chromatids; leads to new combinations of alleles of different genes.

(From Eng. crossing-over - crossover) - mutual exchange of homologous segments between homologous chromosomes as a result of breakage and rejoining in a new order of their strands - chromatids; leads to new combinations of alleles of different genes.