Rachel’s Random Facts, Episode 3

Hello and welcome to Episode 3 of Rachel’s Random Facts.

This week, we’re doing DNA. Yes, that weird squiggly stuff in the nucleus of every cell in your body… well, every Eukaryotic cell that is. *laughs* It’s the genetic information for all life. It’s both beautiful and vast, and today, we’ll be looking at some fascinating facts about your own genetic makeup.

So here we go!

Did you know…

 113013_DNA_6001) If you were to take the DNA out of just one of your cells and stretch it out, it would actually be taller than you are today?



2) Because there are around 50 trillion cells in your body, if you were to take all the DNA from all the cells you have and stretch it out as well as lay it end-to-end, it would stretch from the Earth to the Sun, not once, but 600 times!

3) You have 99% in common genetically with any given socialnetwork2person at any given time. (For your parents, it is 99.5%) All those physical characteristics and possible biological differences between you and someone else are stored in just 1% of DNA. Which doesn’t sound like much until you realize your DNA has some 6.5 Billion base pairs! 1% of 6.5 Billion is still quite a number.

chromosome14) Chromosome 1, the largest chromosome in humans, has 247 million base pairs all on its own. To put that in perspective, if you were to print all the letter pairings of Chromosome 1’s genetic sequence on paper , you would end up with book spanning roughly 200,000 pages long.

5) And last but not least, you share around 40-50% of your DNA with a cabbage. So the next time you’re enjoying some cole slaw, I’m sure this fact will magically pop into your head. *smiles*


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