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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.
What chromosomes do girls have 2 of?
46 chromosomes.... but regarding to sex cells theres 23...
A species that contains two copies of each chromosome is called?
A species that contains two copies of each chromosome is called diploid. Each pair of chromosomes, one from each parent, make up a diploid set in the organism.
The name for the process of cell division that produces copies of cells with the 46 chromosomes is?
The process of cell division that produces copies of cells with 46 chromosomes is called mitosis. In mitosis, a parent cell divides to produce two identical daughter cells, each containing the same number of chromosomes as the parent cell.
Why is it important that chromosomes make exact copies of themselves before the cell divides?
Otherwise only one cell would have the necessary genetic material to function, and the other cell would have nothing and would serve no purpose. Either that or each cell would get half of the necessary DNA which would leave two completely useless cells.
How many times do chromosomes make copies of themselves during meiosis?
Chromosomes make copies of themselves once during meiosis. This occurs during the S phase of interphase, which happens before meiosis I.
When the chromosomes make an exact copy of themselves what are they then called?
When chromosomes make an exact copy of themselves, they are called sister chromatids. Sister chromatids are identical copies of a chromosome that are held together by a structure called the centromere.
What do spindle fibers and chromosomes form?
make copies of cells - mitosis
What are the two phases of the cell?
There are actually 5 steps of mitosis - Steps 1: the nucleus disappears and chromosomes start to appear. 2: the chromosomes make copies of themselves. 3:the chromosomes line up in the middle of the cell. 4:the chromosomes split and are pulled to both ends of the cell. 5:the cell splits.
Are homologous chromosomes found in diploid?
Yes, the chromosomes double/make a copy of themselves.
What makes copies of themselves before mitosis?
The chromosomes are copied, so that each daughter cell has an exact copy of the genetic material.
What are the two divisions of cells?
There are actually 5 steps of mitosis - Steps 1: the nucleus disappears and chromosomes start to appear. 2: the chromosomes make copies of themselves. 3:the chromosomes line up in the middle of the cell. 4:the chromosomes split and are pulled to both ends of the cell. 5:the cell splits.
When chromosomes make an exact copy of themselves?
Interphase :D
The ability for bacteria to make copies of themselves is an example?
reproduction
How do cells divide to make exact copies of themselves?
Mitosis
Why is it important for the chomosome to make copies of themselves BEFORE mitosis occurs?
It is important for chromosomes to make copies of themselves before mitosis to ensure that each daughter cell receives a complete set of genetic information. The copied chromosomes, known as sister chromatids, are then separated during mitosis to ensure equal distribution of genetic material to the two daughter cells. This process helps maintain genetic stability and prevents loss of important genetic information.
The ability of living things to make copies of themselves is called?
reproduction
