chi•as•ma•typ•y(kaɪˈæz məˌtaɪ pi)
the process of chiasma formation, which is the basis for crossing over. Compare crossing over.
chi•as′ma•type`, adj., n.
the formation of chiasma, the basis for crossing over or the interchange of corresponding chromatid segments of homologous chromosomes with their linked genes. — chiasmatvpic, adj.See also: Biology