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It is during the prophase in which chromosomes first appear to be duplex structures.Each cell in a person typically has 23 pairs of chromosomes.

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Phase if cell division when duplicated chromosomes first appear?

Prophase


What phase of cell divisions do duplicated chromosomes first appear?

prophase


Name the phase of cell division when duplicated chromosomes first appear?

The phase of cell division when duplicated chromosomes first appear is called the prophase. In prophase, the chromatin condenses into visible chromosomes, and the nuclear envelope breaks down, allowing the chromosomes to be more clearly visible.


What do chromosomes look like before and after the S phase of the cell cycle?

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.


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.


When do chromosomes appear in chromatid pairs during the cell cycle?

Chromosomes appear in chromatid pairs during the cell cycle during the S phase of interphase.


What phase would you first see chromosomes?

prophase


During which phase of meiosis will the chromosomes appear as packets of four chromatids?

chromosomes appear as packets of four chromatids during anaphase. This is when the chromatids start to move and separate in preparation of the creation of four cells.


Why chromatin thicken and shorten during prophase?

Through successive rounds of mitosis, replication of DNA in the S-phase of interphase results in shorter and shorter chromosomes. The structures called telomeres are attached to the ends of the chromosomes to prevent the chromosomes from becoming too short.


During which phase of the cell do sister chromatids first appear?

S phase


How many chromosomes enter the G2 Phase?

Cells in G2 phase have a diploid set of chromosomes, which is twice the number found in gametes (haploid cells). In humans, this means that 46 chromosomes enter G2 phase.


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.