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A chromatid is one half of a chromosome at a stage of the cell cycle when the chromosome contains two molecules of DNA.
A chromatid is like a twin; you can only use the term when there are two of them!
Before DNA replicates, each chromosome has only one molecule of DNA. After replication of the DNA, there are two DNA molecules in each chromosome. These become visible under a light microscope when the chromosomes condense during prophase of the next division.
Each chromosome then looks like an X. The left side of the X contains one DNA molecule (together with proteins) and the right side contains the other. Each half of the chromosome is a chromatid. At anaphase of the division, the two chromatids are pulled apart. From then on they are no longer referred to as chromatids, but as daughter-chromosomes.
What else can I help you with?
Are the genes on a recombinant chromatid the same as the original chromatid?
No, the genes on a recombinant chromatid are a combination of genes from the original chromatids. During crossing over in meiosis, genetic material is exchanged between homologous chromosomes, resulting in a new combination of genes on the recombinant chromatid.
In a chromosome pair connected by a centromere what is each individual chromosome called?
chromatid
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.
How are chromatid and a duplicated chromosome are related?
Chromosomes and chromatids are related in that one is the duplicate of another. A chromatid comes about when chromosomes are duplicated. It holds replicated DNA of every single chromosome that is joined.
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.
What is each rod in a cells DNA called?
I think it's a chromatid.
What is it called when two chromosomes exchange parts?
mutagenesis occurs
When an area of chromatid is exchanged with the matching area on a chromatid of its homologous chromosomes occurs .?
mutagenesis occurs
When one chromatid segment has formed a chiasma with a homologous chromatid segment what is the result?
Recombinant chromosomes.
What is different between a chromosome and a chromatid?
Chromosome need 2 chromatids but a chromatid is only half of a chromosome
What is a chromatid made of?
DNA
Are the genes on a recombinant chromatid the same as the original chromatid?
No, the genes on a recombinant chromatid are a combination of genes from the original chromatids. During crossing over in meiosis, genetic material is exchanged between homologous chromosomes, resulting in a new combination of genes on the recombinant chromatid.
In a chromosome pair connected by a centromere what is each individual chromosome called?
chromatid
What results in a chromatid formation?
replication
Each half of a chrosome is known as?
chromatid
What is a chromosome called after it trplicates and divides?
A chromatid.
