For most of human existence knowing you were a carrier of bad genes wasn't guaranteed and there was always a good chance it might skip a generation. But now we have a way to check everybody and that test is getting cheaper very fast.
At the very least everybody should be tested and know their genetic make up and if there are bad genes it should be illegal not to notify any sex partners before unprotected sex that you have bad genes.
At the very least everybody should be tested and know their genetic make up and if there are bad genes it should be illegal not to notify any sex partners before unprotected sex that you have bad genes.