Modern Phytomorphology

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


Romuald Kosina, Agnieszka Małecka

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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