Tuesday, October 26, 2021
Mitochondrial Health

What is Mitochondrial DNA? Three Fun Facts About mtDNA



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—TRANSCRIPT—
Thanks for stopping by, this is 2 minute classroom and today I am giving you three fun facts about mitochondrial DNA.

#1 – All of your mitochondrial DNA comes from your mother (at least in most cases). And she got hers from her mother, and so on and so forth through all the mothers of history.

This is because you come from a sperm and an egg, the sperm from your father and the egg from your mother. The egg is a complete cell with all of the organelles, including mitochondria. The sperm, on the other hand, is just a DNA delivery pod bringing the father’s DNA to the mother’s egg.

As a result, you most likely got all of your mitochondria and its DNA from your mother.

Fun Fact #2 – Mitochondrial DNA is round, not linear like the DNA in your nucleus. And it is completely separate from the DNA in your nucleus, they never interact.

The 27 genes on your mitochondrial DNA code for specific proteins used by the mitochondria, such as ATP synthase.

And

Fun fact #3 – Your mitochondria has its own DNA because it was once a bacteria that was engulfed by early ancestors’ eukaryotic cells.

This is called the endosymbiotic theory and it essentially states that an early single-cell organism engulfed a mitochondria-like bacteria and enjoyed its energy-producing properties so much that it decided to partner with it forevermore.

It’s a great love story.

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4 thoughts on “What is Mitochondrial DNA? Three Fun Facts About mtDNA
  1. It's a classic love story where two find each other as the result of so much serendipity it seems their union must have been born from fate. A love so powerful it fuels the hearts of all that Love.
    😘💕💕💕💕💕💕💕💕

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