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DNA is visible as sister chromatids during the metaphase stage of mitosis. During this phase, the chromosomes are highly condensed and align at the cell's equatorial plate, making them distinct and easily observable under a microscope. Each chromosome consists of two identical sister chromatids, which are joined at a region called the centromere. This structure is crucial for accurate chromosome separation during cell division.
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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.
When a chromosome has made a copy of itself each of the two strands is called this?
When a chromosome has made a copy of itself, each of the two strands is called a sister chromatid. Sister chromatids are identical copies formed during DNA replication and are joined at the centromere.
Paired chromatin that are like copies of DNA?
Paired chromatin that are like copies of DNA refer to sister chromatids. Sister chromatids are replicated during the S phase of the cell cycle and remain attached at the centromere until they are separated during cell division. Each sister chromatid is an identical copy of the original DNA molecule.
What is the difference between the DNA in s phase and the DNA in prophase?
In S Phase, DNA replication occurs and it is still an unknown mass like a plate of spaghetti, but during Prophase, the DNA Condenses to chromosomes around a centrally located chromatid. (a little disk in the middle of the X)
If a body cell has 46 chromosomes during g1- how much DNA will be in the cells during s an g2?
During S phase, the DNA in the cell replicates, resulting in each cell having 92 chromosomes (since DNA replication is completed). During G2 phase, the cell still has 92 chromosomes, but each chromosome consists of two sister chromatids, so the total amount of DNA is the same as in S phase.
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.
How many sister chromatids are there in a duplicated chromosomes?
There are two sister chromatids in a duplicated chromosome. Each sister chromatid is an identical copy resulting from DNA replication during the S phase of the cell cycle.
When a chromosome has made a copy of itself each of the two strands is called this?
When a chromosome has made a copy of itself, each of the two strands is called a sister chromatid. Sister chromatids are identical copies formed during DNA replication and are joined at the centromere.
A strand of replicated DNA formed during prophase is a?
A replicated DNA strand formed during prophase is called a sister chromatid. Sister chromatids are two identical copies of a single chromosome that are joined at the centromere. These sister chromatids will later separate during cell division.
What is A strand of replicated DNA formed during prophase called?
A strand of replicated DNA formed during prophase is called a sister chromatid. Sister chromatids are identical copies of each other produced during DNA replication and are held together by a structure called the centromere.
Paired chromatin that are like copies of DNA?
Paired chromatin that are like copies of DNA refer to sister chromatids. Sister chromatids are replicated during the S phase of the cell cycle and remain attached at the centromere until they are separated during cell division. Each sister chromatid is an identical copy of the original DNA molecule.
The moving part of each of homologous chromosomes during anaphase you of meiosis is called?
The moving part of each homologous chromosome during anaphase I of meiosis is called a chromatid. Each chromatid is a single strand of DNA that is duplicated during the S phase of the cell cycle and remains joined to its sister chromatid at the centromere until they separate during anaphase.
How many DNA molecule in a chromatid?
Each chromosome is originally made of one DNA molecule.
What is the difference between the DNA in s phase and the DNA in prophase?
In S Phase, DNA replication occurs and it is still an unknown mass like a plate of spaghetti, but during Prophase, the DNA Condenses to chromosomes around a centrally located chromatid. (a little disk in the middle of the X)
If a body cell has 46 chromosomes during g1- how much DNA will be in the cells during s an g2?
During S phase, the DNA in the cell replicates, resulting in each cell having 92 chromosomes (since DNA replication is completed). During G2 phase, the cell still has 92 chromosomes, but each chromosome consists of two sister chromatids, so the total amount of DNA is the same as in S phase.
Did the two DNA molecules have exact copies of each other?
Yes, two DNA molecules that are exact copies of each other are known as sister chromatids and are produced during the S phase of the cell cycle through DNA replication. Each sister chromatid contains the same genetic information as the other.
What is one of the two strands of a chromosome that become visible during meiosis or mitosis?
One of the two strands of a chromosome that becomes visible during meiosis or mitosis is known as the chromatid. Each chromatid is an exact copy of the other, formed during DNA replication in the interphase preceding cell division.
