Supernumerary B chromosomes (Bs) are extra karyotype units in addition to A
chromosomes, and are found in some fungi and thousands of animals and plant species. Bs …

We present here B-chrom (www. bchrom. csic. es), an online database with comprehensive
information on B chromosomes (Bs) for plants, animals and fungi. Data have been extracted …

B chromosomes have been reported in many eukaryotic organisms. These chromosomes
occur in addition to the standard complement of a species. Bs do not pair with any of the A …

In many species, the transmission of B chromosomes (Bs) does not follow the Mendelian
laws of equal segregation and independent assortment. This deviation results in …

Different chromosomal forms of Deschampsia antarctica Desv.(Poaceae), including diploids
(2n= 26), hypotriploid (2n= 36–38) and a genotype withan occasional occurrence of B …

 Abstract Comparative karyomorphological analyses of six out of the eight white-flowered
species of Eranthissect. Shibateranthis have been carried out. All studied specimens of E …

Disparity or continuity in the chromosome count within taxa of various categories has been
verified to be an imperative character for taxonomic classification. Male meiotic studies in 64 …

Modern data on the origin and biological significance of B chromosomes in plants and
animals, their structure and evolution, and dynamics and polymorphism are considered …

Представлены данные о добавочных или В‑хромосомах у видов рода Picea (Ель).
Многие виды этого рода содержат в кариотипе добавочные хромосомы и являются …

Karyotype variations in plants are common, but the results of cytological studies of some
seagrasses remain unclear. The nature of the variation is not clearly understood, and the …