Fourth cousins will match each other about 50 percent of the time, but when you get out past the fifth-cousin level, the odds of sharing any DNA are less than 5 percent. How Many Third and Fourth ...

Every DNA-database search raises the possibility of finding a partial match, and so every database search accomplishes implicit inclusion regardless of whether, how often, or how deliberately such ...

A new extension of the AncestryDNA SideView feature will let users see which side of the family their DNA matches come from. It’ll make it easier for users to sort through their family tree.

These searches look for individuals who carry only some genetic markers in common with those found in crime scene DNA. A match on 10 of the 20 critical markers strongly suggests a person is the ...

But sometimes a search yields a not so perfect match but a partial match, in which case it's clear that the felon in the database did not commit the crime. But the DNA is so similar, maybe their ...