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What is mitochondrial inheritance?

What is mitochondrial inheritance?

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Inheritance of mitochondrial gene from mother to her their children is called mitochondrial inheritance.

Mitochondria consists of DNA and it carries genetic information. Mitochondria of mother will only be transferred from mother to child as egg contributes cytoplasm and nucleus to zygote whereas sperm contributes only nucleus during fertilization. Mitochondrial inheritance is caused by mitochondria of mother only, so it is called as maternal inheritance

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