What is a gene? - Genetics Home Reference - NIH
A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins. However, many genes do not code for proteins.In humans, genes vary in size from a few hundred DNA bases to more than 2 million bases.
Gene - Wikipedia
In biology, a gene is a sequence of nucleotides in DNA or RNA that codes for a molecule that has a function. During gene expression, the DNA is first copied into RNA.The RNA can be directly functional or be the intermediate template for a protein that performs a function. The transmission of genes to an organism's offspring is the basis of the inheritance of phenotypic trait.
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Gene - definition of gene by The Free Dictionary
Define gene. gene synonyms, gene pronunciation, gene translation, English dictionary definition of gene. n. A hereditary unit consisting of a sequence of DNA that occupies a specific location on a chromosome and is transcribed into an RNA molecule that may...
Gene | Definition of Gene by Merriam-Webster
Gene definition is - a specific sequence of nucleotides in DNA or RNA that is located usually on a chromosome and that is the functional unit of inheritance controlling the transmission and expression of one or more traits by specifying the structure of a particular polypeptide and especially a protein or controlling the function of other genetic material.
gene | Definition, Structure, Expression, & Facts ...
Gene, unit of hereditary information that occupies a fixed position on a chromosome. Genes achieve their effects by directing the synthesis of proteins. They are composed of deoxyribonucleic acid (DNA), except in some viruses, which have genes consisting of a closely related compound called ribonucleic acid (RNA).
What is a gene?
Here we discuss a basic definition of a gene, show what a gene looks like, what it is that genes actually code for, and the basic idea behind Genetically Modified Organisms.
Home - Gene - NCBI
Gene integrates information from a wide range of species. A record may include nomenclature, Reference Sequences (RefSeqs), maps, pathways, variations, phenotypes, and links to genome-, phenotype-, and locus-specific resources worldwide.
Gene - Journal - Elsevier
Gene has an open access mirror journal Gene: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Gene publishes papers that focus on the regulation, expression, function and evolution of genes in all biological contexts, including all prokaryotic and eukaryotic organisms, as well as viruses.
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