meiosis in which there is a failure of paired homologous chromosomes to separate; results in an abnormal number of chromosomes in the daughter cells
例句
用作名词 (n.)
Alternatively, like allopolyploids, they may arise by the nondisjunction of chromatids during the mitotic division of a zygote. 与异源多倍体相似的是，它们也是在有丝分裂中合子的染色单体不分离形成的。
Autopoly-ploids may arise from the fusion of diploid gametes that have resulted from the NONDISJUNCTION of chromosomes at meiosis. 同源多倍体通常可能来自在减数分裂过程中染色体不分离导致的二倍体融合。
美
[ˌnɒndɪs'dʒʌŋkʃən]
