Identical Twins: Which Brother Is The Biological Father?

Let’s take it back to the basics in regards to identical twins … A very common question: “Do identical twins share the exact same genetic makeup?” General studies would say “YES! identical twins do indeed share identical DNA profiles.” But what if I told you that although identical twins come from the same fertilized egg,…

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Can DNA Be Transferred With A Simple Handshake?

Did you know… A 10 second handshake can transfer one person’s DNA to another person or object, that the first person has never even touched before? According to forensic scientist Cynthia Cale, during a handshake experiment, a person who’d never picked up a knife, became the major source of DNA on the handle of the…

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MIND BLOWN: Scientists extract DNA from Seabiscuit’s Hooves!

I’m sure by now, you’ve heard of the name Seabiscuit. If not, Seabiscuit was a racehorse. But not just any racehorse, a racehorse that would become the greatest rags-to-riches stories of the Depression era. But, Seabiscuit wasn’t always a strong racehorse. He was incredibly lazy — he preferred to sleep and eat, rather than exercise.…

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Why does every cell in our body contain DNA?

Not every cell in our bodies actually contain DNA. There is typically a lack of DNA in our mature red blood cells and cornified cells which are found in hair, skin, and our nails. These cells don’t contain a nucleus.   It turns out, our red blood cells are actually trained to destroy their cells…

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Technically, Can DNA Change Over Time?

DNA is our genetic makeup; it’s what makes us — us. So, does DNA change over time? The short answer is YES.   Our DNA actually changes as we get older. And it actually changes quite a bit. The changing in our DNA is actually a part of the process called DNA methylation. DNA methylation…

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Why does every cell in our body contain DNA?

Not every cell in our bodies actually contain DNA. There is typically a lack of DNA in our mature red blood cells and cornified cells which are found in hair, skin, and our nails. These cells don’t contain a nucleus.   It turns out, our red blood cells are actually trained to destroy their cells…

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DNA Pop Quiz

Question 1: Who discovered a substance that was later named “Nucleic Acid” in 1869?   Question 2: What year was the first sheep cloned?   Question 3: What are adenine, cytosine, guanine, & thiamine also known as?   Question 4: The term “double helix” refers to what?   Question 5 (multiple choice): Which part of…

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