what is genes ??? and types of genes
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A gene is the basic physical and functional unit of heredity. Genes are made up of DNA
The chemicals come in four types A, C, T and G. A gene is a section of DNA made up of a sequence of As, Cs, Ts and Gs. Your genes are so tiny you have around 20,000 of them inside every cell in your body! Human genes vary in size from a few hundred bases to over a million bases.
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what is genes ?
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