| 单词 | 双倍体 |
| 释义 | 〔haplosis〕Reduction of the diploid number of chromosomes by one half during meiosis, resulting in the haploid number.减半作用：在减数分裂过程中染色体双倍体数目的减半而导致其变成单倍体数目〔spermatocyte〕A diploid cell that undergoes meiosis to form four spermatids. A primary spermatocyte divides into two secondary spermatocytes, which in turn divide to form the spermatids.精母细胞：经过减数分裂形成四个精细胞的双倍体细胞。一个精母细胞可分裂成两个次精母细胞，而这两个次精母细胞则又能再次分裂形成精细胞 |
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