How exactly can DNA be explained as having about 700 terrabytes of information?

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Please excuse my terminology, for all intents and purposes, I am 5 years old.

[This post from AskReddit](https://www.reddit.com/r/AskReddit/comments/u2ll98/whats_a_cool_fun_fact_that_you_know/i4jwtbe/) is confusing me. How exactly can a physical thing like DNA, be able to have an amount of digital size applied to it?

How do you correlate what I know of as a tiny tiny tiny little piece of my body, with a digital number given to the size of a program, or a hard drive, or a load of files?

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Anonymous 0 Comments

The way I’d think about it is that in computer storage systems, stuff is made of bits. I’m no expert on computers, but say a bit is a set amount of binary digits. That’s comparable to DNA and it’s respective bases, which will ultimately code for amino acids and thus proteins. So if your entire genome is arranged as 4 bases as sequences, you could segment those bases as the same size as a bit, and then add them all up to correlate base pairs to computer storage.

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