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chromatid

chromatid (kro´ma-tid)

Each of the two strands formed by longitudinal duplication of a chromosome that becomes visible during prophase of mitosis or meiosis; the two c.'s are joined by the still undivided centromere; after the centromere has divided at metaphase and the two c.'s have separated, each c. becomes a chromosome. [G. chroma, color, + -id (2),]

 

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