Acrocentric

acrocentric chromosome
a chromosome or chromatid with the centromere near the end
Source: Jenkins, John B. 1990. Human Genetics, 2nd Edition. New York: Harper & Row ...
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Acrocentric
Applies to a chromosome whose centromere lies very near one end. See also metacentric.
Related Terms: Chromosome ...
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Acrocentric chromosome
: A chromosome with its
centromere
towards one end. Human chromosomes 13
,14,15,21,22
are acrocentric.
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Centromere -- a region of a chromosome to which spindle traction fibers attach during mitosis and meiosis; the position of the centromere determines whether the chromosome is considered an acrocentric, metacentric or telomeric chromosome.
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Mouse chromosomes tend to be acrocentric; that is, the centromere connects one long and one very short arm. Acrocentric chromosomes are at risk of translocations that fuse the long arms of two different chromosomes with the loss of the short arms.
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The positions of the centromeres are used to broadly classify chromosomes into three morphological groups: acrocentric (constriction near the top), telocentric (no obvious constriction and thus thought to be at the end), ...
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A chromosome having its centromere in the middle. See also acrocentric chromosome
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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