Bombyx mori females are also one of the few organisms with homologous chromosomes held together only by the synaptonemal complex (and not crossovers) during meiosis.
As femias de Bombyx mori son tamén uns dos poucos organismos con cromosomas homólogos que se manteñen xuntos só polo complexo sinaptonémico (e non por sobrecruzamentos) durante a meiose.