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en.wikipedia.org/wiki/Gene

A gene is a sequence of DNA or RNA which codes for a molecule that has a function. The DNA is first copied into RNA. The RNA can be directly functional or be ...

ghr.nlm.nih.gov/primer/basics/gene

6 days ago ... A gene is the basic physical and functional unit of heredity. Genes, which are made up of DNA, act as instructions to make molecules called ...

www.news-medical.net/life-sciences/What-are-Genes.aspx

Genes are the working subunits of DNA. Each gene contains a particular set of instructions, usually coding for a particular protein or for a particular function.

www.merriam-webster.com/dictionary/gene

Define gene: a specific sequence of nucleotides in DNA or RNA that is located usually on a chromosome and that is the functional… — gene in a sentence.

www.dictionary.com/browse/gene

Gene definition, the basic physical unit of heredity; a linear sequence of nucleotides along a segment of DNA that provides the coded instructions for synthesis of ...

kidshealth.org/en/kids/what-is-gene.html

Why does one kid have green eyes while another kid's eyes are brown? It's all in the genes! Find out how genes work, what happens when there are problems ...

www.britannica.com/science/gene

Sep 22, 2017 ... gene: Unit of hereditary information that occupies a fixed position (locus) on a chromosome. Genes achieve their effects by directing the ...

www.nature.com/scitable/topicpage/gene-expression-14121669

Genes encode proteins and proteins dictate cell function. Therefore, the thousands of genes expressed in a particular cell determine what that cell can do .

www.khanacademy.org/science/biology/gene-expression-central-dogma/central-dogma-transcription/v/alleles-and-genes

A gene as a stretch of DNA on a chromosome. Alleles as versions (sequence variants) of a gene.