acrocentric


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Related to acrocentric: telocentric, submetacentric chromosome

ac·ro·cen·tric

 (ăk′rō-sĕn′trĭk)
adj.
Having the centromere located near one end of the chromosome so that one chromosomal arm is long and the other is short.

ac′ro·cen′tric n.

acrocentric

(ˌækrəʊˈsɛntrɪk)
adj
(Genetics) (of a chromosome) having the centromere at one end
n
(Genetics) an acrocentric chromosome

ac•ro•cen•tric

(ˌæk rəˈsɛn trɪk)

adj.
(of a chromosome) having the centromere closer to one end than the other, resulting in two arms of unequal length.
[1940–45]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.acrocentric - having a subterminal centromereacrocentric - having a subterminal centromere; "an acrocentric chromosome"
References in periodicals archive ?
Further subdivision of translocation types can be made according to the exchange of chromosomal material and are classified as: (i) reciprocal, when segments from two different chromosomes have been exchanged; or (ii) robertsonian, in five acrocentric chromosomes (13, 14, 15, 21 and 22), where long arms fuse to form a single chromosome with a single centromere.
Ganesh 2010 "Frequency of Acrocentric Associations in Bhopal Gas Tragedy Survivors.
Silver nitrate stain show up to 8 chromosomes with positive NOR located in the distal region of the long arm of acrocentric chromosomes (Figure 1B).
Considering that chromosome 13 is the largest acrocentric chromosome with the lowest gene density among all human chromosomes (17), its stability may differ from those of chromosomes 18 and 21.
Females resemble Cyprinodon in having 2N = 48 acrocentric chromosomes, whereas males have 2N = 47 with a large, metacentric Y derived from fusion of two acrocentrics (Uyeno and Miller, 1971).
The acrocentric nature of the Y-chromosome establishes that the Vechur cattle belong to the species of the Zebu cattle (bus indicus) as different from the European cattle (bus taurus) which has metacentric y-chromosome.
The first two species presented karyotypes composed by acrocentric autosomal chromosomes and, through G-banding analysis it was possible to evidence a higher interspecific homeology.
Robertsonian translocation involves two acrocentric chromosomes, which fuse at the centromeric region and lose their short arms.
Zhang reported that the two metacentric chromosomes of the domestic horse were formed through Robertsonian translocations between the 4 acrocentric chromosomes of Przewalskii, leading to the domesticated horse having two less chromosomes than Przewalskii (Zhang, 2000).
karyotypes have two submetacentric and two acrocentric chromosomes and