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noun

centromere

a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape

In a sentence

Three example sentences with centromere, each labelled with its topic.

  • Stains cling to the pinched waist of the structure, so the centromere shows as a dark band under magnification.

    Science

  • When spindle fibers grab the centromere unevenly, a dividing cell can hand one daughter an extra copy.

    Medicine

  • Sequencing software still stumbles across the centromere, where thousands of near-identical repeats defeat ordinary assembly algorithms.

    Technology

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