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In a body cell, there are two sets of chromosomes, which is the diploid condition. In a sex cell, there is one set of chromosomes, which is the haploid condition.
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How can you tell the difference between the original and replicated part of each chromosome?
In late anaphase and G1 of interphase, a chromosome is unreplicated and consists of a single DNA double helix. A replicated chromosome contains two identical DNA double helices.
What is the name of one of the single strands in a Double stranded chromosome?
It is called a chromatid.Two chromatids are hold by centromere.
What is a single molecule of DNA and associated proteins?
a Chromosome
When does the chromosome number double?
The chromosome number only doubles when two haploid gametes form to produce a diploid zygote. Example: In humans, sperm cells and eggs have 23 chromosomes, the haploid number. Once they fuse, the number doubles to 46 chromosomes. You may be confusing this with chromosome replication. In chromosome replication, the number of chromosomes does not double, but the number of strands double. (A single stranded chromosome turns into a double stranded chromosome.) However, it is still considered a single chromosome, but with identical sister chromatids. This replication occurs during the S-phase of the cell cycle, before mitosis or meiosis.
What simple chromosome does a prokaryote have?
Single
Do the metaphase 2 line up in single or double file?
During metaphase the chromosomes line up in single file, so that the sister chromatids of each chromosome are oriented toward opposite poles.
What is a single continuous strand of DNA?
a chromosome :]
What is a single arm of a chromosome called?
chromatid
When do chromosome form?
The DNA-protein complex, called chromatin usually folds into characteristic formations called chromosomes. Each chromosome contains a single double stranded piece of DNA. Chromosomes are clearly seen during nuclear division.
What does a Barr body in a mammalian female cell represents?
x chromosome... since female body has single type of chromosome, X chromosome
Why is each chromosome a double?
There are 2 of each chromosome because you get 1 set from each parent.
How many DNAmolecules make up each original chromosome?
A chromosome is formed from a single DNA molecule.
