You probably learned two things about mitochondria in high school biology. First, they’re the powerhouses of the cell. Second, you can only inherit them from your mother. But a new study seems to cloud that second point.
A team of researchers from the United States, China, and Taiwan identified three unrelated families with members whose mitochondria contained DNA from both parents. While this discovery could reignite debate about the nature of inheriting mitochondrial DNA, the researchers hope it will open up new ways to treat disease.
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