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chromatid

American  
[kroh-muh-tid] / ˈkroʊ mə tɪd /

noun

Genetics.
  1. one of two identical chromosomal strands into which a chromosome splits longitudinally preparatory to cell division.


chromatid British  
/ ˈkrəʊmətɪd /

noun

  1. either of the two strands into which a chromosome divides during mitosis. They separate to form daughter chromosomes at anaphase

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

chromatid Scientific  
/ krō′mə-tĭd /
  1. Either of the two strands formed when a chromosome duplicates itself as part of the early stages of cell division. The chromatids are joined together by a single centromere and later separate to become individual chromosomes.

  2. See more at meiosis mitosis


Etymology

Origin of chromatid

First recorded in 1895–1900; chromat- + -id 3


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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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In mitosis, homologous chromosomes line up end-to-end so that when they divide, each daughter cell receives a sister chromatid from both members of the homologous pair.

From Textbooks ● Jun. 9, 2022

During anaphase II, as in mitotic anaphase, the kinetochores divide and one sister chromatid—now referred to as a chromosome—is pulled to one pole while the other sister chromatid is pulled to the other pole.

From Textbooks ● Jun. 9, 2022

Near the recombination nodule on each chromatid, the double-stranded DNA is cleaved, the cut ends are modified, and a new connection is made between the non-sister chromatids.

From Textbooks ● Jun. 9, 2022

Each chromosome in the homologous pair is also bound to an identical sister chromatid, which is produced by DNA replication, and results in the familiar “X” shape.

From Textbooks ● Jun. 19, 2013

These chromatic errors of systems, which are achromatic for two colours, are called the ``secondary spectrum,'' and depend upon the aperture and focal length in the same manner as the primary chromatid errors do.

From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg

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