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metacentric
(redirected from metacentricity)

   Also found in: Dictionary/thesaurus, Encyclopedia 0.01 sec.
metacentric /meta·cen·tric/ (-sen´trik) having the centromere near the middle, so that the arms of the replicating chromosome are approximately equal in length.
met·a·cen·tric (mt-sntrk)
adj.
Having the centromere of a chromosome in the median position so that the arms are of equal length.
n.
A metacentric chromosome.

metacentric
[met′əsen′trik]
Etymology: Gk, meta + kentron, center
pertaining to a chromosome in which the centromere is located near the center so that the arms of the chromosome are of approximately equal length. Compare acrocentric, submetacentric, telocentric.

metacentric [met″ah-sen´trik]
having the centromere almost at the middle of the replicating chromosome.

metacentric
a replicating chromosome with the centromere midway between the ends.


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The regular mathematical relationship between the number of M and t chromosomes indicates the involvement of fusion and or fission in producing the two extremes of complete metacentricity and complete telocentricity; t-M-t trivalents in a hybrid confirmed the relationships of related M and t's.
 
 
 
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