AB Blood Type – Tales from the Genome

AB Blood Type – Tales from the Genome


It’s amazing how deletion of a single letter can make the entire protein non-functional.>>Exactly. That single deletion of guanine and position 258 causes an early stop codon which completely shortens the protein, making it non-functional in a way that it can’t even add the A antigen or the B antigen, it can’t add any antigen at all, so you end up with type O. That’s really awesome, but okay there is one question that’s been bugging me.>>Okay.>>How does somebody end up with an AB blood type?>>That is a good question. What do you think? Put in the text box here how you think someone can have an AB blood type.

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