Chromosome

A single DNA molecule packaged with proteins. Human cells usually carry 23 pairs, 46 chromosomes in all.Source: NHGRI

Structure

Chromosome and the 3 concepts it links to directly. Each link is described below.

How Chromosome connects

Chromosome is found in

Structure
Nucleus
Stores most of the cell's DNA and controls which genes are used.
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Chromosome contains

Level of life
DNA
The molecule that stores the genetic instructions of all cellular life: two strands wound into a double helix and held together by base pairs.
Open in DNA & Genetics Lab
Level of life
Gene
A basic unit of heredity: a stretch of DNA with instructions for a product such as a protein or a functional RNA.
Open in DNA & Genetics Lab

Studied in

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Sources & further reading

The explanations on this page are our own summaries of these sources. Follow a link to read the original; if anything here disagrees with it, the original wins. How we choose and check sources.

Chromosome (opens the original in a new tab)
National Human Genome Research Institute. Talking Glossary of Genomic and Genetic Terms. National Human Genome Research Institute, NIH.
ReferenceGovernment sourceEducational
- genome.gov (Open the original source, opens in a new tab)