How It Works

UNDER THE MICROSCOPE

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Dear HIW,

My son, who just finished year seven, took part in his school STEM club. This term they looked at DNA, and he took a rather good photo of the DNA of a banana. It was included in his school newsletter. We are rather proud of it, so I wanted to send it to a couple of science magazines to see if anyone would like to comment!

Julia Higgins

What a great image! Being able to see DNA in such definitive strands closes the gap between us and such a miniscule structure. It looks like you’ve managed to extract this banana DNA and focus your microscope on chromatin fibres. The strands you can see twisting around the plate are densely packed with DNA as molecules have coiled together. You are right in that this is an image to be proud of, and we hope it can inspire your son to see what else he can uncover in the world of STEM.

 ??  ?? This DNA was extracted from a banana and viewed under a microscope
This DNA was extracted from a banana and viewed under a microscope

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