衰老葱减数分裂结构的介绍资料。montanum (Pohl) Holub

IF 0.4 Q4 PLANT SCIENCES

Modern Phytomorphology Pub Date : 2016-10-01 DOI:10.5281/ZENODO.159040

R. Kosina, A. Małecka

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引用次数: 0

摘要

衰老葱(Allium senescens)合体染色体构型的实例。介绍了Montanum。二价体在合子体中不占主导地位。一些二价片段有缺失。此外，还观察到三价段和四价段。SAT-染色体的偶联表明，SAT片段发生了易位。此外，单价表明物种的减数分裂行为是不稳定的。

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Introductory data on meiotic structures in Allium senescens L. subsp. montanum (Pohl) Holub

Examples of zygotene chromosomal configurations in Allium senescens subsp. montanum are presented. Bivalents do not dominate in a zygotene stadium. Some bivalent segments show deletions. Also, tri- and tetravalents segments are observed. The conjugation of SAT-chromosome shows that a translocation has occurred in the SAT segment. In addition, univalents indicate that meiotic behaviour of the species is unstable.

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来源期刊

Modern Phytomorphology PLANT SCIENCES-

自引率

33.30%

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