Question

why mitochondrial inheritance is called maternal inheritance

Answer 1

Mitochondria inheretence is called maternal inheretence because every human being gets it's mitochondria from their mothers.

Answer 2

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You inherited your mitochondrial DNA from your mother, who inherited hers from her mother and so forth. Maternal inheritance also gave rise to the idea that there exists a “Mitochondrial Eve,” a woman from whom all living humans inherited their mitochondrial DNA.