I always wonder how old segments of about 10 cM, both a bit smaller or larger, can become. Is there any proven case for the maximum age of let's say...
Although obviously the exception to the rule I have read that there are quite a few cases in the world of paternal mtDNA inheritance in which a child...
I've noticed that I've got a high number of no-calls (or "not determined" results) in my 23andme Y-DNA raw data. Something like 55 %! Is this normal?...