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defined:
The constricted region near the center of a human chromosome. This is the region of the chromosome where the two sister chromatids are joined to one another.
explained:
Listen to a detailed explanation. (Requires the free RealPlayer download) Dr. Danilo Tagle, formerly of the National Human Genome Research Institute's Genetics and Molecular Biology Branch, defines centromere.
illustrated:
View illustration
relatedterms:
chromosome
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