Search for content in message boards

Interpreting match -- can brothers be off by one number on one marker?

Replies: 4

Re: Interpreting match -- can brothers be off by one number on one marker?

Posted: 14 Mar 2013 11:54AM GMT
Classification: Query
Mutations have to happen sometime, and when they do, brothers will be different. Very occasionally, brothers will even differ on more than one marker.

The best way to validate the relationship is with an autosomal test. Half-brothers share about 25% of their DNA on the average. 23andMe would be a good choice for this test, since you can see exactly where the brothers match.
SubjectAuthorDate Posted
chitcat 14 Mar 2013 4:40PM GMT 
APTurner 14 Mar 2013 5:54PM GMT 
chitcat 14 Mar 2013 6:29PM GMT 
Shari S. 14 Mar 2013 6:54PM GMT 
APTurner 14 Mar 2013 9:38PM GMT 
per page

Find a board about a specific topic

  • Visit our other sites:

© 1997-2014 Ancestry.com | Corporate Information | New Privacy | New Terms and Conditions