chromosome number

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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 ?
v], t, P) of the diploid number of chromosomes were calculated using the well-known formulas.
2 Diploid chromosome number variation in Luzula Diploid Number of chromosome species number 6 1 12 60 16 12 18 2 20 1 22 2 24 31 28 3 30 1 32 1 35 1 36 11 42 4 44 1 46 3 48 4 56 1 66 1 Note: Table made from bar graph.
The diploid number of chromosomes in long-horned beetle species range between 10 and 36.
It is interesting that the Kashmir Valley Schizothorax esocinus showed a diploid number similar to that recorded for other species inhabiting different geographical locations eg.
All studied animals presented a diploid number of 74 chromosomes.
2005) provided only data on the diploid number and telomeric sequences of Chernes hahnii (C.
1956) described a diploid number of 80 as definitive for mourning doves (Zenaida macroura), however, Benirschke & Hsu (1971) found 2n = 78.
Furthermore, karyotypes of certain species show geographical variation in the fundamental number of chromosomes as well as the diploid number of chromosomes as in the Genera Nannospalax and Meriones (5-7).
In each of these, the fundamental number (NF) is double the diploid number because no telocentric chromosomes were observed.
Until now, only 15 pholcid species have been analyzed cytogenetically, and their diploid number varies from 2n[male] = 15 to 2n[male] = 32.
All animals had a diploid number (2N) of 54, and a fundamental number (number of autosomal arms, FN) of 52 (Figs.