DNA Vocabulary

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DNA

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deoxyribonucleic acid, a self-replicating material which is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information

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Gene

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a unit of heredity which is transferred from a parent to offspring and determines some characteristic of the offspring.

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Chromosome

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a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.

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Protein/Traits

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a genetically determined characteristic.

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Double Helix

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a pair of parallel helices intertwined about a common axis, especially that in the structure of the DNA molecule.

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Nucleotide

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a compound consisting of a N base and sugar linked to a phosphate group. It forms the basic structural unit (monomer) of nucleic acids such as DNA.

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Base Pairs (A-T, C-G)

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nucleotide pairing

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This is a coiled structure of DNA and protein that forms in the cell nucleus.

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chromosome

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A segment of DNA that carries hereditary instructional information and passes traits from parent to offspring

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Gene

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DNA is made up of a long chain of...

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Nucleotides