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Acentric


metacentric chromosome
a chromosome with the centromere at or near the middle
Source: Jenkins, John B. 1990. Human Genetics, 2nd Edition. New York: Harper & Row ...
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Acentric
Applied to a chromatid or a chromosome when it lacks a centromere. This condition may arise in an inversion heterozygote as a result of crossing over between a normal and an inverted segment that does not include the centromere.
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metacentric Chromosome with centromere at or near the middle.
metacercaria Stage between the cercaria and adult in the life cycle of most digenetic trematodes; usually encysted and quiescent.
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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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Construction of a Human Genome Library Composed of Multimegabase Acentric Chromosome Fragments
Michael J. Lane, Peter Hahn,(1) and John Hozier(2) ...
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