Are Y-DNA haplogroups the same as mtDNA haplogroups?

No, the names in the mitochondrial DNA (mtDNA) haplogroups do not correspond with the same names in the Y-chromosome DNA (Y-DNA) haplogroups.

 

 

How are haplogroups and their subclades named?

Y-Chromosome DNA (Y-DNA) haplogroups and subclades names follow the conventions of the Y-Chromosome Consortium’s (YCC). The YCC short form names haplogroups with the first letter from [...]

How often does Family Tree DNA update their tree?

Family Tree DNA updates the phylogenetic tree when we have substantial evidence that there is a new branch or a new placement for a [...]

Don’t we all go back to Africa?

Yes. All of our Y-chromosome lineages trace back to a common ancestor who lived in Africa at least 115,000 years ago. Some lineages migrated out [...]

How do I find out the time to the most recent common ancestor in years?

You can convert from generations to years by multiplying the number of generations by an average number of years between generations. In general, you [...]

Do all FTDNATiP™ calculations offer the ability to add genealogical data? Why don’t you always show it?

When using the FTDNATiP™ calculator in myFTDNA, the box in which to enter the number of generations appears only when you are not comparing [...]