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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Example Sentences

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

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

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