常見例句Meiosis of microspore mother cells is synchronous or unsynchronous.小孢子母細(xì)胞減數(shù)分裂同步或不同步。Of the four products of a megaspore mother cell, three usually abort.在大孢子母細(xì)胞分裂產(chǎn)生的四個孢子中,三個會解體消失。 返回 spore mother cell