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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.
How does a DNA molecule make a exact copy of itself?
they break apart and they find other DNA strands and form more DNA strands.
What is an original chromosome and its copy called?
An original chromosome is called a homologous chromosome, and its copy is called a sister chromatid. Homologous chromosomes have the same genes in the same order but may have different alleles, while sister chromatids are identical copies produced during DNA replication.
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 method does a DNA double helix produce a new copy of itself?
The process by which a DNA double helix produces a new copy of itself is called DNA replication. It involves the separation of the two strands of the original DNA molecule, followed by the synthesis of complementary strands to form two identical DNA molecules. DNA replication is essential for cell division and passing on genetic information to offspring.
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 the chromosome makes a copy of itself it is said to what?
duplicate or replicate
What step does each chromosome form an exact copy of itself?
Interphase
How does a DNA molecule make a exact copy of itself?
they break apart and they find other DNA strands and form more DNA strands.
How a molecule of DNA makes an exact copy of itself?
they break apart and they find other DNA strands and form more DNA strands.
Are joined strands of duplicated genetic material?
Chromosomes and sister chromatids are joined strands of duplicated genetic material. A chromatid is one copy of a duplicated chromosome which, before replication, is composed of one DNA molecule.
What is an original chromosome and its copy called?
An original chromosome is called a homologous chromosome, and its copy is called a sister chromatid. Homologous chromosomes have the same genes in the same order but may have different alleles, while sister chromatids are identical copies produced during DNA replication.
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 method does a DNA double helix produce a new copy of itself?
The process by which a DNA double helix produces a new copy of itself is called DNA replication. It involves the separation of the two strands of the original DNA molecule, followed by the synthesis of complementary strands to form two identical DNA molecules. DNA replication is essential for cell division and passing on genetic information to offspring.
What does a replicate chromosome consist of?
A replicated chromosome consists of an exact copy (assuming no mutations) of the original chromosome, which is composed of DNA and proteins called histones.
When a chromosome appears by itself within a karyotype and not as a pair it is known as?
monosomy. This term refers to the condition where an individual is missing one copy of a particular chromosome and only has one copy instead of the normal two.
What are 2 identical strands of genetic material?
Chromosomes and sister chromatids are joined strands of duplicated genetic material. A chromatid is one copy of a duplicated chromosome which, before replication, is composed of one DNA molecule.
