Chromosome - Wikipedia, the free encyclopedia
A chromosome is an organized structure of DNA and protein that is found in cells. It is a single piece of coiled DNA containing many genes, regulatory elements and other ...

Chromosomes
Composition In eukaryotes, chromosomes consist of a single molecule of DNA [Link to visual proof] associated with: many copies of 5 kinds of histones.

What is a chromosome? - Genetics Home Reference
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around ...

Genome.gov | Chromosomes Fact Sheet
What is a chromosome? What do chromosomes do? Do all living things have the same types of chromosomes? What are centromeres? What are telomeres? How many chromosomes do humans ...

chromosome: Definition from Answers.com
Chromosomes can change their conformation and degree of compaction throughout the cell cycle. During interphase, the major portion of the cycle, chromosomes are not visible under ...

Sex Chromosomes
Sex Chromosomes. The nuclei of human cells contain 22 autosomes and 2 sex chromosomes. In females, the sex chromosomes are the 2 X chromosomes. Males have one X chromosome and ...

Chromosomes - Genetics Home Reference
The Handbook provides basic information about genetics in clear language. What is DNA? What is a chromosome? How many chromosomes do people have?

Chromosomes | Define Chromosomes at Dictionary.com
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Human Chromosomes
Legend: Representation of the 23 paired chromosomes of the human male. Chromosome: a very long DNA molecule and associated proteins, that carry portions of the hereditary ...

Chromosomes and Genes: Genetics: Merck Manual Home Edition
A trait is any gene-determined characteristic and is usually determined by more than one gene.