What attaches to the sister chromatids?

Sister chromatids are two identical copies of the same chromosome formed by DNA replication, attached to each other by a structure called the centromere.

What attaches to each sister chromatid?

Each sister chromatid attaches to spindle microtubules at the centromere via a protein complex called the kinetochore. During metaphase, all of the chromosomes are aligned in a plane called the metaphase plate, or the equatorial plane, midway between the two poles of the cell.

What attaches to the sister chromatids during metaphase?

During metaphase, the sister chromatids align along the equator of the cell by attaching their centromeres to the spindle fibers. During anaphase, sister chromatids are separated at the centromere and are pulled towards opposite poles of the cell by the mitotic spindle.

Do sister chromatids separate during meiosis?

Meiosis II is the second division of meiosis. It occurs in both of the newly formed daughter cells simultaneously. Meiosis II is similar to Mitosis in that the sister chromatids are separated.

What is the difference between sister and non sister chromatids?

A sister chromatid is either one of the two chromatids of the same chromosome joined together by a common centromere. … Non-sister chromatids, on the other hand, refers to either of the two chromatids of paired homologous chromosomes, that is, the pairing of a paternal chromosome and a maternal chromosome.

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What can happen if cells do not duplicate correctly?

Answer: If the cell has not properly copied its chromosomes, an enzyme called cyclin dependent kinase, or CDK, will not activate the cyclin, and the cell cycle will not proceed to the next phase. The cell will undergo cell death.

Do chromatids separate in mitosis?

During mitosis, the two sister chromatids that make up each chromosome separate from each other and move to opposite poles of the cell.

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