genetic mutations

Can A Additional Mutation Repair An Earlier Mutation?

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Can A Additional Mutation Repair An Earlier Mutation? Most of the types of DNA damage that are caused by chemical or physical mutagens (Section 14.1. 1) can only be repaired by excision of the damaged nucleotide followed by resynthesis of a new stretch of DNA, as shown in Figure 14.18B. Can mutation be reversible? Mutation

Can Mutated Genes Repair Themselves?

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Can Mutated Genes Repair Themselves? Often, gene variants that could cause a genetic disorder are repaired by certain enzymes before the gene is expressed and an altered protein is produced. Each cell has a number of pathways through which enzymes recognize and repair errors in DNA. Can genes repair themselves? The only known function of