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A Wyss Institute team devised a CRISPR/Cas9-based mutation-prevention system that is capable of discriminating a single nucleotide variation (indicated here in green) in the DNA code (in blue) to readily remove newly occurring disease-associated mutations. Credit: iStock/Meletios Verras

Scientists are one step closer to diagnose genetic mutations

Many hazardous diseases are caused or exacerbated by a difference in only one nucleotide building block in the all-inclusive hereditary DNA code. Such "point...