(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) 同义词：meiosis, miosis,
例句与用法
1.
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。
2.
There are two main types of nuclear division : mitosis , which results in daughter cells identical to their parents ; and meiosis ( reduction division ) , which produces daughter cells which have half the number of chromosomes of their parent cells , and in which the genetic material has been recombined 核分裂有两种主要的类型：一种为有丝分裂，即子代细胞与亲本相同，另一种为减数分裂，其产生的子细胞所含的染色体数为亲本染色体数的一半，基因在分裂过程中发生了重组。
您当前位置：