(genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants)
双语例句
The gametophyte is derived from the product of a reduction division in the megaspore mother cell. 该配子体是由大孢子母细胞进行减数分裂而来。
The time at which the two reductive divisions occur is not necessarily coincident to the time of ovulation. 两次减数分裂的时间不一定与排卵时间相一致。
