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

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.

Jose Luis Calvo/Shutterstock

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