B chromosomes (Bs) are dispensable components of the genome exhibiting non-Mendelian
inheritance and have been widely reported on over several thousand eukaryotes, but still …

B chromosomes (Bs) are supernumerary dispensable genomic elements that have been
reported in several thousand eukaryotic species. Since their discovery, Bs have been …

Eukaryote genomes are frequently burdened with the presence of supernumerary (B)
chromosomes. Their origin is frequently investigated by chromosome painting, under the …

A DNA library derived from the B chromosome of Podisma kanoi was obtained by
chromosome microdissection. A total of 153 DNA clones were isolated from the …

Nine B chromosome variants, from seven different populations of Eyprepocnemis plorans
collected at four localities in Spain and three in Morocco, have been shown to be mainly …

Abstract Background and Aims Supernumerary B chromosomes (Bs) represent a specific
type of selfish genetic element. As Bs are dispensable for normal growth, it is expected to …

Wide arrays of repetitive DNA sequences form an important part of eukaryotic genomes.
These repeats appear to evolve as coherent families, where repeats within a family are more …

B chromosomes are dispensable chromosomes found in> 2000 eukaryotic species, usually
behaving as genomic parasites. Most B chromosomes seem to be made up of the same kind …

Parasites and hosts are involved in a continuous coevolutionary process leading to genetic
changes in both counterparts. To understand this process, it is necessary to track host …

B chromosomes are considered to be genetically inert elements. However, some of them are
able to show nucleolus organizer region (NOR) activity, as detected by both cytological and …