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What phase do sister chromatids form?
The sister chromatids first appear in the S phase of the cell cycle.
During the s phase chromosomes are converted to what form?
During the S phase of the cell cycle, chromosomes are replicated to form sister chromatids. Sister chromatids are two identical copies of a single replicated chromosome that are held together by a centromere.
Are sister chromatids present in G1 phase of the cell cycle?
Sister chromatids are present in G1 phase of the cell cycle following DNA replication in S phase. Sister chromatids are two identical copies of a chromosome joined together at the centromere. During G1 phase, the cell prepares for DNA replication in the subsequent S phase.
When during the cell cycle are chromatids duplicated?
During the S-phase of the cell cycle, chromatids are duplicated. Precise duplication of the chromatids is important in order to prevent genetic abnormalities.
What phase do cohesins join sister chromatids of duplicated chromosome?
Cohesins join sister chromatids during the S phase of the cell cycle. This is when DNA replication occurs, resulting in the formation of identical sister chromatids bound together by cohesin proteins.
When does a chromosome consist of 2 identical chromatids?
A chromosome consists of 2 identical chromatids during the S phase of the cell cycle, after DNA replication has occurred. The two chromatids are known as sister chromatids and are held together by a structure called the centromere.
When during mitosis are sister chromatids visible?
Sister chromatids are visible during metaphase of mitosis, where they align along the metaphase plate in the center of the cell. This is when the chromosomes are most condensed and easily visible under a microscope.
During the cell cycle when would a chromosome consist of two identical sister chromatids?
A chromosome consists of two identical sister chromatids during the S phase of the cell cycle when DNA replication occurs. This ensures that each daughter cell receives an identical copy of the genetic material during cell division.
Do sister chromatids always have the same alleles?
Yes, sister chromatids always have the same alleles because they are exact copies of each other formed during DNA replication in the S phase of the cell cycle.
What are the two copies of DNA on each chromosome that form just before cell division?
The two copies of DNA on each chromosome that form just before cell division are called sister chromatids. Sister chromatids are identical copies of the original chromosome that are created during DNA replication in the S phase of the cell cycle. They are held together by a structure called the centromere.
When does a chromosome go from one chromatid to two sister chromatids?
A chromosome transitions from being one chromatid to two sister chromatids during the S phase of the cell cycle, specifically during DNA replication. This is when the DNA is duplicated, and each replicated DNA strand forms a sister chromatid with the original strand, creating a pair of identical chromatids joined at the centromere.
What is the term for the two sets of chromatids?
A chromosome pair, as in a pair of Chromosome 15, or a pair of Chromosome 5. Others have said Tetrad - Pls stand-by.
