Question

What part of mitosis does the paired chromosomes separate at protein structure

Answer 1

During mitosis, the paired chromosomes (sister chromatids) separate during the stage called **anaphase**. At this point, the sister chromatids, which were previously aligned at the metaphase plate during metaphase, are pulled apart by the spindle fibers attached to the kinetochores of the chromosomes. The protein structure involved in this separation and attachment is known as the **kinetochore**. The kinetochore is a protein complex that assembles on the centromere of each chromatid and serves as the attachment point for the spindle fibers that pull the chromatids apart, ensuring that each daughter cell receives an identical set of chromosomes.