how DNA passes on genetic information?
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DNA stands for deoxyribonucleic acid. That substance IS your genes.
More specifically, DNA tells the cells of your body how to do things like a blueprint. Specifically, how to make other chemical compounds.
Collections of this material form complete “instructions”, if you will, for things like having red hair. “Red hair” is the phenotype (visual expression) of a set of DNA and we call that a gene.
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