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In mitosis how many times is the DNA copied?
In both mitosis and meiosis DNA replication only occurs once, during Interphase and Interphase 1, for mitosis and meiosis, respectively.
When do chromosome duplicate themselves during mitosis?
Chromosomes duplicate during the S phase of interphase, which occurs before mitosis. Each chromosome replicates to form two identical sister chromatids that are held together at the centromere. These sister chromatids are then separated and pulled to opposite poles of the cell during mitosis.
Which meiosis better mirrors the mitosis process?
Meiosis I better mirrors the mitosis process because during this stage the homologous chromosomes separate, similar to the way sister chromatids separate during mitosis. Meiosis II, on the other hand, involves separating sister chromatids, which is not seen in mitosis.
When does replication happen during mitosis or meiosis?
Replication occurs during the S phase of the cell cycle before both mitosis and meiosis. In mitosis, the replicated DNA is separated into two identical daughter cells. In meiosis, the replicated DNA is separated into four haploid daughter cells with genetic variation.
What is the difference between mitosis 2 and meiosis?
During mitosis, sister chromatids are separated.
In mitosis how many times is the DNA copied?
In both mitosis and meiosis DNA replication only occurs once, during Interphase and Interphase 1, for mitosis and meiosis, respectively.
What roles do chromosomes play in organisms?
They contain genetic information and is a form of DNA. It is copied during mitosis and meiosis.
In preparation for mitosis DNA is copied this is called DNA?
DNA is not copied during mitosis. It is copied in the portion of the cell cycle prior to mitosis during the S phase of interphase and is called DNA Replication.
Are the chromosome copied before meiosis or during meiosis?
before
When do chromosome duplicate themselves during mitosis?
Chromosomes duplicate during the S phase of interphase, which occurs before mitosis. Each chromosome replicates to form two identical sister chromatids that are held together at the centromere. These sister chromatids are then separated and pulled to opposite poles of the cell during mitosis.
Can DNA be copied in mitosis?
DNA is not copied during mitosis . Mitosis is meant for division of cell and DNA is divided in two daughter cells .
How is the chromosome number halved during cell division: mitosis or meiosis?
The chromosome number is halved during cell division in meiosis, not mitosis.
Is DNA replicated during mitosis or meiosis?
DNA is replicated during the S phase of the cell cycle before both mitosis and meiosis.
Which meiosis better mirrors the mitosis process?
Meiosis I better mirrors the mitosis process because during this stage the homologous chromosomes separate, similar to the way sister chromatids separate during mitosis. Meiosis II, on the other hand, involves separating sister chromatids, which is not seen in mitosis.
How is the chromosomes number halved during cell division: through mitosis or meiosis?
The chromosomes number is halved during cell division through meiosis, not mitosis.
How do chromosomes align differently in meiosis compared to mitosis?
In meiosis, chromosomes align in pairs during metaphase I, while in mitosis, chromosomes align individually during metaphase.
In mitosis and meiosis, does crossing over occur during the process of genetic recombination?
Yes, crossing over occurs during the process of genetic recombination in meiosis, but not in mitosis.
