telocentric


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Related to telocentric: telocentric chromosome, submetacentric, acrocentric

telocentric

[¦tel·ə¦sen·trik]
(cell and molecular biology)
Pertaining to a chromosome with a terminal centromere.
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References in periodicals archive ?
2a) comprised 15 metacentric pairs, 11 submetacentric pairs, 5 subtelocentric pairs and 18 telocentric pairs (Fig.
Keywords: Chromosome number, telocentric chromosomes, heterochromatin, nucleolus-organizing regions
pythagoricus show a chromosome complement of 44 telocentric chromosomes, and 42 telocentric chromosomes in males of P.
In both species, the largest pair is submetacentric, the next four pairs are subtelocentric, and the two smallest pairs are telocentric.
The largest pair for both species are submetacentric, the next two pairs are subtelocentric, the fourth pair is submetacentric and the four smallest pairs are telocentric.
Briefly, fusion is the consequence of breakage proximal to or within the centromere of two usually nonhomologous acro- or telocentric chromosomes followed by reunion uniting the longer and shorter segments, respectively.
Mulinia lateralis had a diploid number of 38 chromosomes and all chromosomes were telocentric.
This reduction in chromosome number may be because of Robertsonian fusion, wherein telocentric chromosomes fused, reducing the total chromosome number (Wang & Guo 2004).
decussatus (Borsa & Thiriot-Quievreux 1990) and 12 submetacentric, 4 subtelocentric and 3 telocentric for C.
Parallel to the increase of chromosome number, in certain aquatic organisms often an enlargement of submetacentric and telocentric chromosomes is observed, probably by chromosomal fission (Thiriot-Quievreux 1994).
The fundamental number was estimated as White (1973), assigning the value of 4 to all metacentric, submetacentric, and subtelocentric chromosomes, and a value of 2 to telocentric pairs.