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How about same sex couples who wish to have offspring without a 3rd party's DNA in the mix?

Perhaps not exactly cloning? In any case, this should arguably be legal.

Is it possible to get XY from XX and XX?

Yes, but not a healthy boy. The opposite is doable instead. (By using parts of the other X chromosome.)

The Y chromosome has almost no genetic information. So if you acquired one, even from someone else, it would be practically irrelevant.