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Interphase
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Which does not occur during meiosis?
DNA replication does not occur during meiosis. Meiosis is a specialized cell division process that involves two rounds of division to produce gametes with half the number of chromosomes as the parent cell. DNA replication happens during the interphase preceding meiosis.
DNA replication occurs?
The Replication of DNA does occur before the cell can divide.
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.
When does replication occur in cell's cycle?
Replication of DNA occurs during Interphase of both mitosis and meiosis. This means the DNA is doubled before the cell divides.
During which phase of the meiotic cell cycle does DNA replication occur?
None. DNA replication occurs before meiosis I begins.
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.
When does DNA replecation occur in meiosis?
DNA replication occurs during the S phase of interphase, which happens before meiosis I in the cell cycle. This ensures that each chromosome consists of two sister chromatids before the start of the meiotic divisions.
Mutations in DNA often occur during replication. During which phase of the cell cycle do such mutations occur?
Genetic mutations occur during the S phase of the cell cycle (during interphase before mitosis or meiosis begins). This is when DNA is replicated, so any error would cause a mutation in the genetic code. Chromosomal nondisjunction is the failure of replicated chromosomes to separate, which causes extra or missing chromosomes in the daughter cells. This mutation can occur during meiosis I or II and during mitosis.
Does chromosome replication occur in mitosis and meiosis?
Chromosome replication occurs before both mitosis and meiosis. During the S phase of the cell cycle, DNA is replicated in preparation for cell division. In mitosis, replicated chromosomes are separated into two identical daughter cells, while in meiosis, replicated chromosomes are separated twice to produce haploid gametes.
If a child is born with down syndrome when did the mutation occur?
During meiosis
Does replication occur during interkinesis?
No because the chromosomes are already duplicated No. DNA replication does not occur during interkinesis. Interkinesis is a breif rest period between meiosis I and meiosis II. In some species, daughter cells do not form, and meiosis II follows right after meiosis I. No. Because at this point, the first division of meiosis is complete. The cell now rests for a bit before beginning the second meiotic division. During this period, called interkinesis, the nuclear membrane in each of the two cells reforms around the chromosomes. In some cells, the spindle also disintegrates and the chromosomes relax (although most often, the spindle remains intact).
Does DNA replication happen before or during Meiosis?
It happens during interphase of the cell cycle.
