metacentric


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Related to metacentric: metacenter, metacentric chromosome

metacentric

[¦med·ə′sen·trik]
(cell and molecular biology)
Having the centromere near the middle of the chromosome.
References in periodicals archive ?
C-bands produced by barium hydroxide using propidium iodide were observed in telomeres of the short arms of a large metacentric chromosome (chromosome pair 3) and in the short arms of a submetacentric chromosome (chromosome pair 5).
telocentrics to form one corresponding metacentric (Norstog, 1980) and
The karyotype of this species is identical to those reported here for the Caucasian snow vole and Robert's snow vole, including the possession of a metacentric chromosome 26.
3] fluorochrome staining showed interstitial marking on the long arm of the fourth pair of metacentric chromosomes for the 3 species, indicating that this region is rich in GC base pairs (Fig.
The large metacentric possesses all of the significant genetic information of the participating chromosomes.
1a) (2n = 92), with 8 pairs of metacentric (M) and 38 pairs of acrocentric chromosomes (a), and with karyotype formula 2K = 16M +76A (Fig.
Only chromosome 5 has an AR/CI confidence interval that overlaps 2 classes, even though tending to the metacentric class considering the mean value and SD (AR = 1.
Bole-Gowda (1952) stated that Heteropoda sexpunctata Simon 1885 has a derived karyotype, 2n = 20 + X (male) with 19 metacentric (including the X chromosome) and two acrocentric autosomes, on the basis of Robertsons law.
The number of chromosomes with secondary constriction varied from 1 to 2 in these species, and the chromosomes could be classified as metacentric, submetacentric, or sub-terminal.
M]), 10 acrocentric chromosomes (A) and 6 metacentric chromosomes (M), with heterochromatin located mainly in the centromeric and terminal regions.
The ratio of the total length of metacentric chromosomes to that of the submetacentric chromosomes was calculated for both the parent species.