The Science of Sustainability

Tag: mtDNA

DNA Ancestry Tests: Simultaneously Powerful and Limited

DNA Ancestry Tests: Simultaneously Powerful and Limited

Don’t count on mitochondrial DNA (mtDNA) ancestry tests giving you a broad understanding of your own family history. They won’t.

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Genetic Tests: When No Means Maybe (Part 2)

Genetic Tests: When No Means Maybe (Part 2)

In my last blog post, I showed how the two most powerful ancestry tests, mitochondrial DNA (mtDNA) and Y chromosome, were useless to me in my hunt. Now I want look at the rest of my DNA. So here we go!

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Genetic Tests: When No Means Maybe (Part 1)

Genetic Tests: When No Means Maybe (Part 1)

Genetic tests often don’t give as much information as you might think.

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Traveling DNA

Traveling DNA

A billion years ago or so, mitochondria were free living bacteria. Then our ancestors hijacked them and now they do our bidding. And mitochondria aren't the only cells that got hijacked.

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Those Marvelous Mitochondria

Those Marvelous Mitochondria

This former free living bacterium now supplies our cells their energy.Current theories hold that life began on Earth around 3.5 billion years ago. About a billion years ago, a single celled beast engulfed and absorbed another single celled creature. We are all descended from that hijacking. The hijacked cell has over time become the mitochondrion. […]

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