DNA is a biological molecule that carries the information an organism needs to function, develop and reproduce. ?

It consists of four different bases: adenine, thymine, guanine and cytosine. ?

A gene is a DNA segment and the basic unit of heredity. Genes contribute to phenotype and control the expression of one or more traits.

➡️ Mutations in genes, which are changes in the DNA sequence, are responsible for the diversity among organisms and they do not always cause diseases.

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