sort by best latest
32.21 of every 1,000 births. So I guess about three percent would be the answer but I did like the "All of them that have them" answer!
You can help the HubPages community highlight top quality content by ranking this answer up or down.
All of them that have them. :) Just being funny. Don't know how to answer that question. I would say 2 in 10 for a lucky guess or 1 in 5 for simple terms.
Hi , My Dad has a twin Sister . I was a twin but my twin didn't develope into full form . My mom miscarried that one . Probably every family has a set included in their family tree
Copyright © 2016 HubPages Inc. and respective owners.
Other product and company names shown may be trademarks of their respective owners.
HubPages® is a registered Service Mark of HubPages, Inc.
HubPages and Hubbers (authors) may earn revenue on this page based on affiliate relationships and advertisements with partners including Amazon, Google, and others.