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During DNA replication, a chromosome becomes two strands through a process called semi-conservative replication. The double helix structure of the DNA molecule unwinds with the help of enzymes, such as helicase, creating two separate strands. Each original strand serves as a template for the synthesis of a complementary new strand, resulting in two identical DNA molecules, each with one original strand and one newly synthesized strand.
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Why do chromosomes need to become 2 strands before the cell divides?
The second strand of a chromosome is a copy of the genetic information for that cell. There are 2 strands so that when the cell divides, there is one copy of each chromosome for each offspring cell.
When cell chromosome become visible what are the duplicate strands of DNA called?
Daughter Chromosomes
What structure will the chromatin become in mitosis?
The chromatin in the cell becomes chromosomes in prophase, the first stage of mitosis. The chromatin coils tightly together to form into separate chromosome strands during this phase.
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.
What is the indiviual strands of a double-stranded chromosome joined together by?
Chromatid
Why do chromosomes need to become 2 strands before the cell divides?
The second strand of a chromosome is a copy of the genetic information for that cell. There are 2 strands so that when the cell divides, there is one copy of each chromosome for each offspring cell.
What are the Two strands of chromosome that become visible during meiosis or mitosis?
chromatid
When cell chromosome become visible what are the duplicate strands of DNA called?
Daughter Chromosomes
What are the two strands of a chromosome called?
The two identical strands of a chromosome are called chromatids. DNA replication occurs in the interphase stage of the cell cycle.
How many DNA strands constitute a chromosome?
every and any DNA strand can constitue to a chromosome :)
What structure will the chromatin become in mitosis?
The chromatin in the cell becomes chromosomes in prophase, the first stage of mitosis. The chromatin coils tightly together to form into separate chromosome strands during this phase.
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.
How can you tell whether a chromosome has doubled?
You can tell a chromosome has doubled because of the DNA's strands. They coil very tightly.
What is the region of a chromosome holding the two double strands of replicated DNA together called?
The region of a chromosome holding the two double strands of replicated DNA together is called a centromere. The complex of DNA and protein that makes up eukaryotic chromosome is properly called chromatin.
What is the indiviual strands of a double-stranded chromosome joined together by?
Chromatid
Are chromosomes strands of DNA?
Each chromosome has a single strand of DNA.
What protein strands connecting the centrioles become visible during middle prophase and are almost complete by late prophase?
These strands are called spindle fibers. Each replicating chromosome lines up vertically on a spindle fiber during metaphase. During anaphase, the fibers pull the replicating chromosomes apart (leaving one chromosome to go to either end of the cell).
