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How do mutations in the DNA code impact the structure of a protein and real life?

User Yugantar Kumar
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By changing a gene's instructions for making a protein, a variant can cause a protein to malfunction or to not be produced at all.

Sometimes, gene variants (also known as mutations) prevent one or more proteins from working properly. By changing a gene's instructions for making a protein, a variant can cause a protein to malfunction or to not be produced at all.