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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.


Example Sentences

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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

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

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

From Textbooks Apr. 25, 2013

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

From Textbooks Apr. 25, 2013

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