In a discovery that upsets one of the central dogmas of biology, scientists in Denmark have determined that a 28-year-old man inherited a disease from his father that until now was believed transmissible only through women….
The finding zeros in on the components of cells called the mitochondria, the main sources of the body’s energy. These tiny bean-shaped constituents, found in each cell, carry their own DNA, apart from the body’s nuclear genes inherited from both parents. Mitochondrial DNA has been believed passed from one generation to the next only along a maternal line of inheritance. Fathers, scientists long believed, did not transmit them….

Making the genetic engineering / gene therapy ‘magic bullet’ just a wee bit more complicated than folks might have assumed.

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