Family Tree DNA does not have a file format for Y-chromosome DNA single nucleotide polymorphism [...]
Yes. It is possible that a SNP will back mutate (change back). However, SNPs [...]
No, the names in the mitochondrial DNA (mtDNA) haplogroups do not correspond with the [...]
Y-Chromosome DNA (Y-DNA) haplogroups and subclades names follow the conventions of the Y-Chromosome Consortium’s (YCC). The [...]
Family Tree DNA updates the phylogenetic tree when we have substantial evidence that there [...]
At Family Tree DNA, a Y-DNA haplogroup prediction is calculated using genetic distance. The [...]
Please order SNPs with the help of an expert if you aren’t sure which [...]
The following descriptions provide brief overviews of each haplogroup’s origin and geographic distribution.
Yes. If you do not have a Y-DNA STR test, you will not be [...]
The Y-DNA tree begins with the common paternal ancestor to all men alive today. [...]
Can I skip extensive SNP testing and just test for a downstream Advanced Order SNP? If I am positive, may I assume that I also have all the SNPs above it?
It is possible to order Advanced SNPs in this way. We advise that you [...]
Are Y-chromosome DNA (Y-DNA) SNPs ever related to recent times and genealogy? Are they always for historic periods and more ancient ancestry?
Y-chromosome DNA SNPs (single nucleotide polymorphisms) are not always from anthropological or even historic [...]
If you have found a problem with our Y-DNA Haplotree, please use our contact [...]
SNPs (single nucleotide polymorphisms) offer a definitive answer to a potential relationship. When one [...]
A SNP is a single nucleotide polymorphisms. That means that it is a single [...]
The reason for conflicting results depends on the test performed by the other company.
What is the difference between a Y-chromosome DNA (Y-DNA) SNP test and Family Tree DNA’s Y-DNA STR tests?
The Y-DNA SNP testing provides information on the deeper ancestry for a Y-chromosome DNA [...]
No. Y-DNA SNP testing is not designed to give medical information.
I have limited DNA testing funds. What’s my best strategy? Should I upgrade to more markers or do SNP testing?
The answer to this depends on your personal interest. If you are interested in [...]
I have already taken a Y-chromosome DNA (Y-DNA) STR test. Why do I need to take a SNP test? What more can it show me?
Ordering a Y-chromosome DNA (Y-DNA) SNP test will tell you more about your deeper [...]