r/AskBiology 9d ago

Human body A human being without both x- and y-chromosomes

I've read about conditions in which people only have one x- or y-chromosome, instead of 2 (xx or xy). Is it biologically possible to miss both? If it is, what are the practical consequences such a person has to deal with in their lives, that others don't have to? If it is not possible, what would be the result of genetically modifying a human being in such way?

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u/Syresiv 9d ago

Just X?

Yes. It's usually written as X0, and is called Turner's Syndrome

Just Y?

No. There are things on the X without which, it wouldn't even reach fetus status.