Dads, not just moms, can pass along mitochondrial DNA
In rare cases, kids can inherit the energy-producing organelles from fathers, a study finds
![liver cell microscope image](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/12/113018_TS_mitochondria_feat.jpg?fit=860%2C460&ssl=1)
PATERNAL POWERHOUSE Energy-generating organelles called mitochondria (blue in this false color transmission electron microscope image of a liver cell) are a cellular and genetic heirloom handed down from mom to child. New research suggests fathers can sometimes pass along their mitochondria, too.
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