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Does DNA occur before or after mitosis?
It occurs before mitosis, in the S-phase (synthesis) of interphase.
In what phase of mitosis does DNA replication occur?
DNA replication occurs during the S phase of the cell cycle, which is before mitosis begins.
What happens in the s phase that is essential to mitosis to occur?
DNA Replication
Explain why DNA replication must occur before mitosis starts?
DNA replication must occur before mitosis starts to ensure that each daughter cell receives a complete and identical copy of the genetic information. If DNA replication did not occur before mitosis, the daughter cells would have only half of the necessary genetic material, leading to genetic abnormalities and potentially cell death.
In which stage of the cell cycle, mitosis or meiosis, does DNA replication occur?
DNA replication occurs in the S phase of the cell cycle, which is part of both mitosis and meiosis.
What process can Genetic changes in mitosis can only occur by?
Genetic changes in mitosis can only occur through mutations, which are changes in the DNA sequence. These mutations can be caused by errors during DNA replication, exposure to mutagens like radiation or chemicals, or spontaneous changes in the DNA.
What are the two process that closely occur in mitosis?
Replication of DNA and separation of sister chromosomes.
What is copied before mitosis begins?
DNA, the genetic material, of course. Also mitochondria and chloroplasts need to divide. This is the process of mitosis where two daughter cells are produced and both will need the complete complement of genetic material; DNA.
Do cells in the G0 phase synthesize DNA?
No. DNA synthesis occurs in the S phase. Cells in the G0 phase are not preparing for cell division.
Where does mitosis process?
DNA replication during interphase occurs in the nucleus. All other phases of mitosis occur in the cytoplasm after the nuclear membrane is disassembled.
What is the longest part of mitosis?
There are five stages of mitosis, beginning with interphase and ending with telophase. Interphase is the longest phase, during which the centrioles and DNA replicate and preparations are made for mitosis to occur.
Does DNA replication occur after telophase 1?
Telophase is a phase of mitosis. DNA replication must occur before mitosis begins. If it does not then the DNA chromosomes may not be consistent throughout the division of the cells.
