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What do chromosomes do before mitosis?
Before mitosis begins, the chromosomes in a cell replicate. This occurs during the S (synthesis) phase. Chromosomes need to replicate so that when the cell divides at the end of mitosis, the daughter cells each recieve a copy of the chromosomes.
When do chromosomes replicate during meiosis?
Chromosomes replicate during the S phase of interphase, before meiosis begins. This ensures that each chromosome consists of two sister chromatids, which are then separated during the meiotic divisions to produce haploid cells.
What phase of mitosis do the chromosomes replicate?
Strictly speaking, the chromosomes are not copied during mitosis but already before cell division takes place. This phase is called INTERPHASE and is again divided into three phases, G1 (first gap), S (synthesis), and G2 (second gap). The replication of chromosomes only happens in the S phase.
When chromosomes replicate they produce?
When chromosomes replicate, they produce two identical sister chromatids that are connected at a region called the centromere. This process ensures that each daughter cell receives a complete set of genetic information during cell division.
What are the two main reasons cells divide?
the 2MAIN reasons they are resting from chromosomes touching one another to improve once you grow they enlarge there growth of development.
Why do chromosomes replicate?
They replicate to form two identical daughter cells.
What do chromosomes do before mitosis?
Before mitosis begins, the chromosomes in a cell replicate. This occurs during the S (synthesis) phase. Chromosomes need to replicate so that when the cell divides at the end of mitosis, the daughter cells each recieve a copy of the chromosomes.
The chromosomes do this in preparation for mitosis?
replicate or duplicate
How many sections do human chromosomes replicate?
23
When do chromosomes replicate during meiosis?
Chromosomes replicate during the S phase of interphase, before meiosis begins. This ensures that each chromosome consists of two sister chromatids, which are then separated during the meiotic divisions to produce haploid cells.
What must happen before meiosis can begin?
DNA replicates and forms tetrad—APEX.
Do chromosomes replicate only during meiosis 1?
yes
When do chromosomes (DNA) replicate?
mitosis is the process by which the DNA of a cell is copied, so chromosomes replicated throughout the process
Process during which chromosomes appear?
Chromosomes replicate during cell division, so are present as a new cell forms.
Which stage of cells cycle do the chromosomes replicated?
Chromosomes replicate when DNA replicates during the S phase (synthesis) of of the cell cycle.
Can neurons replicate themselves?
yes, to a degree
Is it true mitochondria are able to replicate themselves?
Yes they have own DNA. So they replicate by their own
