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DNA Fun Facts
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- You share 99.9% of your DNA with every other human!
That tiny 0.1% makes each of us unique. - If you stretched out all the DNA in your body, it could reach the sun and back… 600 times!
Yes, your DNA is super long when unwound. - Bananas share about 60% of their DNA with humans!
You’re more like a banana than you thought. - You have about 20,000 to 25,000 genes.
These genes act like instructions for your body. - You get half of your DNA from your mom and half from your dad.
That’s why you might have your mom’s eyes and your dad’s nose. - DNA is in every cell of your body — except red blood cells!
Red blood cells don’t have a nucleus, so no DNA there. - Identical twins have nearly the same DNA — but not 100%!
Tiny differences can still exist due to mutations. - Your DNA can be used like a fingerprint.
That’s why it helps in solving crimes or proving family relationships. - DNA stands for Deoxyribonucleic Acid.
Try saying that 5 times fast! - Most of your DNA doesn’t code for anything.
Scientists used to call it “junk DNA,” but now they’re finding it might have hidden functions. - Some viruses insert their DNA into yours.
About 8% of your DNA actually comes from ancient viruses! - In 2003, scientists finished mapping all human genes.
This was called the Human Genome Project — a huge breakthrough in biology. - You can store your entire DNA code in a file smaller than a digital photo.
DNA stores info in an extremely compact way. - DNA is shaped like a twisted ladder — a double helix.
This shape helps it copy itself perfectly during cell division. - You can get your DNA tested to learn about your ancestry.
Want to know where your great-great-grandparents came from? DNA can help!
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