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Which human mitochondrial DNA is inherited from the mother?
GeneticsMitochondria
Quick Answer
Human mitochondrial DNA is usually inherited maternally, from the egg cell. Fathers generally do not pass on mitochondria to their children.
The Full Story
In humans, mitochondrial DNA is typically inherited from the mother because the embryo’s mitochondria come from the egg cell. Sperm mitochondria usually do not contribute to the developing embryo or are actively destroyed after fertilization. Mitochondrial DNA is small compared with nuclear DNA but is important for energy production in cells. This maternal inheritance pattern makes mitochondrial genetics useful for tracing maternal lineages and studying certain inherited diseases.
Key Facts
1.Mitochondrial DNA is usually inherited from the mother
2.It is found in the cell’s mitochondria, not the nucleus
3.Human mitochondrial DNA is about 16,569 base pairs long
YouTube Angle
Suggested video title for this topic:
"Why your mitochondrial DNA mostly comes from one parent."