Chromosomes (article) | Cell cycle | Khan Academy
https://www.khanacademy.org/science/ap-biology/cell-communication-and-cell-cycle/cell-cycle/a/dna-and-chromosomes-article
OverviewIntroductionDNA and genomesChromatinChromosomesChromosomes and cell divisionAs a cell prepares to divide, it must make a copy of each of its chromosomes. The two copies o…As long as the sister chromatids are connected at the centromere, they are still considered to be one chromosome. However, as soon as they are pulled apart during cell division, each is considered a separate chromosome.What happens to a chromosome as a cell prepares to divide.Why do cells put their chromosomes through this process of replication, condensation, and separation? The short answer is: to make sure that, during cell division, each new cell gets exactly one copy of each chromosome. As a cell prepares to divide, it must make a copy of each of its chromosomes. The two copies o…As long as the sister chromatids are connected at the centromere, they are still considered to be one chromosome. However, as soon as they are pulled apart during cell division, each is considered a separate chromosome. What happens to a chromosome as a cell prepares to divide.Why do cells put their chromosomes through this process of replication, condensation, and separation? The short answer is: to make sure that, during cell division, each new cell gets exactly one copy of each chromosome.
As a cell prepares to divide, it must make a copy of each of its chromosomes. The two copies o…As long as the sister chromatids are connected at the centromere, they are still considered to be one chromosome. However, as soon as they are pulled apart during cell division, each is considered a separate chromosome.
What happens to a chromosome as a cell prepares to divide.Why do cells put their chromosomes through this process of replication, condensation, and separation? The short answer is: to make sure that, during cell division, each new cell gets exactly one copy of each chromosome.
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