【摘要】 本文利用苏木精及石炭酸——品红染色法,对 Ornithogalum virens 的花粉母细胞的减数分裂和根尖细胞有丝分裂过程进行了观察,描述了其细胞分裂过程中染色体在各分裂期的形态。同时,还观察了在减数分裂过程中,核仁的变化。更多还原

【Abstract】 Using hematoxylin and phenol—fuchsin staining,auther observed the pollen mother cells’ meiosis and the root tip cells’ mitosis of Ornithogalum virens,discribed the morpha of chromo- some in every dividing period.Meanwhile,auther also observed the variance of nucleoli in the course of meiosis.更多还原