A female has a family history of Duchenne muscular dystrophy, a recessive sex- linked condition that is carried on the X chromosome. She does not have the disease. Her brother, sister, and father all have the disease. while her mother does not. She recently married a male with no family history of the disease. If they decide to have children, what percentage of their sons will have the disease? * 0 0% 0 25% O 50% 0 100%

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Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.