04 March 2011

Y Chromosome Phylogenetic Tree Update

The following was sent today by Family Tree DNA to all their administrators. If you notice that your Y-DNA haplogroup (twig on the world family tree) has been altered on your personal webpages, this is the reason. Note that haplogroups will be changed over time as more and more people test and the branches and twigs of the phylogenetic tree (world's family tree) is updated.

Dear Group Administrator,

We are excited to announce that we have updated our Y Chromosome Phylogenetic Tree to reflect new haplogroup sub-branches!

Family Tree DNA, in partnership with the YCC, periodically reviews known SNPs in order to evaluate those that meet the requirements to be added to the haplotree. The SNPs that passed this review are now included in the haplotree and considered for deep clade testing.

Along with this update to the tree, we have implemented some changes in the ordering process for deep clade and SNP testing:

We now offer a universal deep clade test for $89. This will identify a customer’s terminal SNP for any haplogroup.
If a customer has pending results for a deep clade test, they will automatically be tested according to the new tree.
If a customer has never ordered a deep clade test, they will have the option either to order the universal deep clade for $89 or order individual SNPs from the tree.

We will no longer be offering a deep clade extension product. For customers interested in upgrading to the new tree, it may be more economical to order the universal deep clade for $89 if there are 4 or more new SNPs available to them (each SNP is $29 individually). If there are less than 4 new SNPs available for a customer, they will not be offered the universal deep clade test and should order the SNPs individually from the tree since this is the most cost-effective option. Newly available SNPs are shown on the haplotree in orange.

Family Tree DNA

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