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sister chromatid

American  
[sis-ter kroh-muh-tid] / ˈsɪs tər ˈkroʊ mə tɪd /

noun

  1. Biology. either of the twin chromatids, joined by a centromere, that are formed when a chromosome splits before cell division.


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The centromere is the structure that attaches one sister chromatid to another.

From Textbooks ● Jun. 19, 2013

Each copy of the chromosome is referred to as a sister chromatid and is physically bound to the other copy.

From Textbooks ● Jun. 19, 2013

Each sister chromatid attaches to spindle microtubules at the centromere via a protein complex called the kinetochore.

From Textbooks ● Apr. 25, 2013

The recombinant sister chromatid has a combination of maternal and paternal genes that did not exist before the crossover.

From Textbooks ● Apr. 25, 2013

Each sister chromatid forms an individual kinetochore that attaches to microtubules from opposite poles.

From Textbooks ● Apr. 25, 2013

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