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Chromosome - Wikipedia
A chromosome is a package of DNA containing part or all of the genetic material of an organism. In most chromosomes, the very long thin DNA fibers are coated with nucleosome-forming packaging proteins; in eukaryotic cells, the most important of these proteins are the histones.

Chromosome - Definition, Function & Structure - Biology Dictionary
A chromosome is a string of DNA wrapped around associated proteins that give the connected nucleic acid bases a structure. During interphase of the cell cycle, the chromosome exists in a loose structure, so proteins can be translated from the DNA and the DNA can be replicated.

Chromosomes Fact Sheet - National Human Genome Research Institute
Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from parents to offspring, DNA contains the specific instructions that make each type of living creature unique. The term chromosome comes from the Greek words for color (chroma) and body (soma).

Chromosome | Structure & Function | Britannica
chromosome, the microscopic threadlike part of the cell that carries hereditary information in the form of genes. A defining feature of any chromosome is its compactness.

Chromosome - National Human Genome Research Institute
The human X chromosome is about three times larger than the human Y chromosome, containing about 900 genes, while the Y chromosome has about 55 genes. The unique structure of chromosomes keeps DNA tightly wound around spool-like proteins, called histones.

What is a chromosome? - MedlinePlus
A chromosome is a thread-like structure made up of DNA. Chromosomes are found in the nucleus of each cell. Learn more.

Chromosomes- Definition, Structure, Types, Model, Functions
Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure. Chromosomes were first described by Strasburger (1815), and the term ‘chromosome’ was first used by Waldeyer in 1888.

What are Chromosomes? - University of Utah
Each chromosome includes a single, linear molecule of DNA with its own set of genes. Chromosomes are numbered according to their size, and genes are arranged along them in a specific order. So a gene near the tip of the short arm of chromosome 4 in one person will be found in the same location in everyone.

Chromosome - Definition and Examples - Biology Online
In most prokaryotes, the chromosome is usually a circular strand of DNA; hence, the entire genome is carried on only one chromosome. In viruses, the chromosome may appear as a short linear or circular structure containing the DNA or RNA molecule often lacking any structural proteins.

Genetics, Chromosomes - StatPearls - NCBI Bookshelf
A chromosome is a DNA molecule that contains the genetic information for an organism. The chromosomal structure is composed of the organism's DNA and special proteins to form the dense, coiled architecture.

 

 

 

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