The "Big Y" TestFamily Tree DNA (BIG Y - FTDNA Learning Center) has introduced a new test which is supposed to replace their "Walk through the Y" test for discovering new Y SNPs. It is described by the company as:
- Targeted Non-recombining Y-DNA sequencing...
Most importantly: they don't have possession of customer's genomes.
23andme is providing a service in which they provide limited genotyping (a small subset of the genome) in exchange for $99. They are custodians of that data, on loan from you, and if you want, you can request that they delete it. (see section 13, Terms of Service - 23andMe ) You continu... (more)