See DNA

We have DNA in almost all of our cells, but we know it's too tiny to see. Or is it? Follow along as we extract enough DNA from a banana that you can actually see it.

Try to see banana DNA at home with our activity Seeing DNA, or learn more about DNA basics in our story, DNA ABCs.

Cancer cells from the parathyroid gland
How Many Types of Cells Are in the Human Body?

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Ask A Biologist

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