... to in the content or advertisements. 2019 Centromere breakage Chromosome pairing Meiosis Univalent Misdivision of chromosomes has been recognized quite early in the history of cytogenetics [Darlington, 1939]. The process has been extensively studied in wheat [Sears, 1952], so its general...

... (i.e. nascent or established) polyploids. Nascent, established and paleo-polyploids hardly represent clear-cut categories, but may highlight stages in the evolution of polyploid lineages likely driven by contrasting processes. Chromosome pairing Dobzhansky-Muller incompatibility Hybrid...

...M. Megyeri; M. Molnár-Láng; I. Molnár Chromosome pairing in the meiotic metaphase I of wheat-rye hybrids has been characterized by sequential genomic and fluorescent in situ hybridization allowing not only the discrimination of wheat and rye chromosomes, but also the identification...

..., the entelegyne araneomorphs and the mygalomorphs. Our data support the predominance of X 1 X 2 0 systems in entelegynes, while rare X 1 X 2 X 3 X 4 0 systems were revealed in the tuberculote mygalomorphs. The spider species studied exhibited a considerable diversity of achiasmate sex chromosome pairing in male...

... bouquet. The bouquet has been traditionally thought to facilitate chromosome pairing by bringing chromosome ends into close proximity, but recent studies suggest that its main role may rather be facilitating rapid movements of chromosomes during zygotene. In some species, including wheat and Arabidopsis...