For the Clan MacLaren Project as of 2 January 2011, I have: Tests Number Haplotypes* Ratio Y-DNA12 468 229 2.04 Y-DNA25 452 319 1.42 Y-DNA37 425 352 1.21 Y-DNA67 323 273 1.18 Yours aye, Bob McLaren > [Original Message] > From: Ralph Taylor <rt-sails@comcast.net> > To: <y-dna-projects@rootsweb.com> > Date: 1/2/2011 5:47:20 PM > Subject: [Y-DNA-projects] Match Rates & Variety > > What does the number of unique haplotypes within a project say about the > variety of the underlying target population's DNA? Or, more precisely, the > ratio of the number tested to unique haplotypes. How, would this affect > potential match rates? > > FTDNA's new GAP allows us to get some data from > http://gap.familytreedna.com/project-statistics.aspx and > http://gap.familytreedna.com/unique-haplotypes.aspx. (Secured sites -- log > onto your GAP and go to the "Project Statistics" & "Unique Y-DNA Haplotypes" > links.) > > We can combine these statistics to get inter-project relevant comparisons. > For our Taylor project on 31 Dec 2010: > Tests Number Haplotypes* Ratio > Y-12 361 232 1.56 > Y-25 272 234 1.16 > Y-37 245 229 1.08 > Y-67 139 135 1.03