[小黑麦与农业小麦的杂交种。II]
[Hybrids of triticale and agrotriticum. II].
作者信息
Gorban' G S, Shulyndin A F
出版信息
Tsitol Genet. 1978 Mar-Apr;12(2):118-24.
PMID:684817
Abstract
Meiosis in F1 plants of Triticale X Agrotriticum hybrids with 56- and 63-chromosomes and different genome composition is shown to be strongly violated. The following main anomalies of meiosis were revealed: the univalent state of chromosomes; an irregular movement of 8 to 33 chromosomes to the poles; the lag of 6 to 25 chromosomes and their premature splitting into chromatids; formation of micronuclei in diads and tetrads, formation of polyads. The average number of bivalents per one cell was 14.1-14.6.
摘要
具有56条和63条染色体且基因组组成不同的小黑麦×农业黑麦杂种F1植株的减数分裂显示出严重紊乱。揭示了以下减数分裂的主要异常情况：染色体的单价状态；8至33条染色体向两极的不规则移动；6至25条染色体的滞后及其过早分裂为染色单体；二分体和四分体中微核的形成，多联体的形成。每个细胞中二价体的平均数量为14.1 - 14.6。
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