Why Are Alleles for This SNP Different Elsewhere?

Think of your DNA as a twisted ladder, where each rung holds a unique piece of information. This ladder has two sides, kind of like a positive (+) and negative (-) team. Now, here's where it gets interesting.

Imagine a special point on this ladder, called a SNP (pronounced "snip"). It's like a secret code that varies between people. But wait, there's a twist. On the positive side, this SNP might have a certain version (let's call it "A"), but on the negative side, it's paired with a different version (we'll call it "T"). It's like having two different secret codes for the same lock.

Now, picture this: some scientists and resources show these SNPs using the negative side of the ladder. But guess what? At SelfDecode, we're all about the positive vibes. So, every SNP in our database is presented using the positive side.

Here's the key: when you see "A" on the positive side, it matches with "T" on the negative side, and when you see "C" on the positive side, it pairs up with "G" on the negative side. It's like a genetic dance, where partners switch roles but keep the same rhythm.

For instance, if you spot "AG" for a certain SNP at SelfDecode, don't be surprised if you stumble upon "TC" somewhere else. It's all part of the genetic magic, and now you're in on the secret.

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