| 单词 | 四分体 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔dyad〕Biology One pair of homologous chromosomes resulting from the division of a tetrad during meiosis.【生物学】 二分体：一对由四分体在成熟分裂过程中形成的同源染色体美国传统〔tetrad〕A group of four chromatids formed from each of a pair of homologous chromosomes that split longitudinally during the prophase of meiosis.四分体：一组来自减数分裂中相互垂直分裂的一对同源染色体的四个染色单体美国传统〔tetrad〕Botany A group of four cells, as of spores or pollen grains formed by division of one mother cell.【植物学】 四分体：四个一组的来自母细胞分裂的细胞，如孢子或花粉粒美国传统 |
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