reduction division

美 [rɪˈdʌkʃn dɪˈvɪʒn]英 [rɪˈdʌkʃn dɪˈvɪʒn]

reduction division

noun

(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): Synonym: meiosis miosis

数据来源：WordNet

1

The following results were obtained : 1.There was no significant difference between the content of free proline in an - thers of male-sterile and fertile plants at reduction division of microspore mother cells .

结果表明：（1）在小孢子母细胞减数分裂期，不同育性花药之间游离脯氨酸的含量无明显差异，且含量较低。
2

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。
3

Reduction division & The first meiotic division , so called because at this stage the chromosome number per cell is reduced from diploid to haploid .

第一次减数分裂，每个细胞的染色体数目从二倍性减少为单倍性。