In g2 phase, what has its exact replica attached to the centromere and what is that replica called?
Question
In g2 phase, what has its exact replica attached to the centromere and what is that replica called?
Solution
In the G2 phase of the cell cycle, the cell has completed DNA replication, and each chromosome consists of two identical sister chromatids. These chromatids are joined together at a region called the centromere. The exact replica attached to the centromere is known as a sister chromatid.
The process of DNA replication results in two identical copies of each chromosome, and these sister chromatids will remain attached at the centromere until the cell enters mitosis. During mitosis, the sister chromatids are separated and pulled to opposite poles of the cell, ensuring that each daughter cell receives an identical set of chromosomes.
In summary, during the G2 phase, the exact replica of each chromosome is called a sister chromatid, and they are connected at the centromere. This organization is crucial for the accurate distribution of genetic material during cell division.
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