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Before the S phase of the cell cycle, chromosomes appear as single strands of DNA. After the S phase, they replicate and become double-stranded, forming sister chromatids.

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5mo ago

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Related Questions

What phase of the cell cycle duplicates chromosomes before division?

The phase of the cell cycle that duplicates chromosomes before division is called the S phase.


What phase of the cell cycle has a single line of chromosomes?

During the G1 phase of the cell cycle, chromosomes are not yet duplicated and appear as a single line of chromosomes within the cell. This is before DNA replication occurs in the S phase and chromosomes are temporarily duplicated.


How many chromosomes are present in the cell after the S phase of the cell cycle?

After the S phase of the cell cycle, there are 46 chromosomes present in the cell.


During which phase of the cell cycle are the chromosomes replicated (copied)?

Chromosomes are replicated during the S phase of the cell cycle.


How many chromosomes are present in the G2 phase of the cell cycle?

In the G2 phase of the cell cycle, there are typically 46 chromosomes present in human cells.


Chromosomes are only present in the cell cycle during?

Chromosomes are present in the cell cycle during the S (synthesis) phase and the M (mitotic) phase. In the S phase, DNA is replicated to produce identical sister chromatids, while in the M phase, the chromosomes condense and align for segregation into daughter cells during cell division.


At what phase of the cell cycle does DNA condense into chromosomes?

DNA condenses into chromosomes during the prophase stage of the cell cycle.


What phase of the cell cycle would chromosomes in a cell be seen?

Chromosomes can be seen in the metaphase stage of the cell cycle, when they align along the center of the cell prior to division.


A cell that has 5 chromosomes in the G1 phase will have?

10 chromosomes in the G2 phase, as the DNA is replicated during the S phase of the cell cycle.


What changes occur in chromosomes before and after the S phase of the cell cycle?

Before the S phase of the cell cycle, chromosomes are in a condensed form and consist of a single chromatid. During the S phase, DNA replication occurs, resulting in the formation of two identical sister chromatids joined at the centromere. This process increases the amount of genetic material in the cell.


Which period are chromosomes duplicated in?

Chromosomes are duplicated during the S phase of the cell cycle, which occurs during interphase. This is when DNA replication takes place to ensure that each daughter cell receives a complete set of chromosomes during cell division.


What are the key differences between interphase and metaphase in the cell cycle?

Interphase is the longest phase of the cell cycle where the cell grows and prepares for division, while metaphase is a shorter phase where chromosomes line up in the middle of the cell before separating.