3 ms·
It's not extinct. It's just as common as ever. The only difference is the babies are aborted.
by lurquer 8y ago
It's not extinct. It's just as common as ever. The only difference is the babies are aborted.
- HarryHirsch 8y agoMostly it works with genetic counseling. If both you and your prospective spouse are carriers you'll be advised to find someone else.