chromosome number

(redirected from chromosome numbers)
Also found in: Medical.

chromosome number

n
(Genetics) the number of chromosomes present in each somatic cell, which is constant for any one species of plant or animal. In the reproductive cells this number is halved. See also diploid1, haploid
References in periodicals archive ?
There are 11 Arabidopsis species (http://www.theplantlist.org/browse/A/Brassicaceae/Arabido psis/) those possess different chromosome numbers and can be listed into 4 groups (Table 1).
Within this group, significantly different C-values were shown between Southeast Asian (Asian Indo-Pacific) and Oceanian (Oceanian Indo-Pacific) abalones, which might be related by their different chromosome numbers: 2n = 32 and 36, respectively (Table 1) (Nakamura 1985, Arai et al.
In general, the term used to indicate that there are errors in chromosome numbers is aneuploidy but does not indicate a specific number or condition.
This field guide outlines the identification and natural history of 137 species of shrubs and vines in Michigan and the Great Lakes region, including both native and introduced species, with information on their key characteristics, size and form, bark, leaves, stems and twigs, winter buds, flowers, fruit, site and habitat, distribution, similar species, notes, chromosome numbers, and growth pattern, along with line drawings.
Chromosome numbers were determined by using microscopes Biomed-2 (Biomed-Service Ltd., Moscow, Russia) and Axioskop-40 (Carl Zeiss AG, Oberkochen, Germany).
Discordant with their conserved chromosome numbers, the species of Veneridae present clear differences in the number and distribution of rDNA and histone gene clusters on their chromosomes [7, 12-14].
This paper reports the chromosome numbers of eleven Turkish Fritillaria taxa from seventeen populations along with their karyotypes and ideograms.
In the past, the main genetic tests searched for abnormal chromosome numbers and mutations that lead to rare, inherited disorders.
Recent comparative studies focusing on nuclear and chloroplast DNA sequences (ZECCA et al., 2012; ARADHYA et al., 2013) supported a monophyletic origin of Vitis, probably in the Eurasian lands, despite two different chromosome numbers, i.e., 2n=38 and 2n=40.
glaucus having identical chromosome numbers have been classified in the section Odonthagnathius whereas C.

Full browser ?