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Fragments of mitochondrial DNA can be added to the cell's main genomewir0man/Getty Images Mutations in which DNA from energy-producing mitochondria is mistakenly added to a cell's…

Shewanella oneidensis Bacteria may be able to remove antibiotic resistance genes from wastewater Ella Maru Studio/Science Photo Library Bacteria engineered to destroy DNA can remove more than 99 percent of antibiotic resistance genes from wastewater, potentially slowing the spread of antibiotic resistance. Pathogens can absorb resistance genes released into the environment by damaged or dead