Wow! Thanks Jim, Elizabeth, and Tim for the enlightening details on this. Karla On Sun, Oct 20, 2013 at 7:28 PM, Tim Janzen <tjanzen@comcast.net> wrote: > Dear Karla, > Jim Bartlett gave a very nice explanation to your question earlier > today. I thought I would give you the statistics as to what percentage of > your parents' DNA you can expect to capture if you test a varying number of > the children of those parents as follows: > > 1 50 > 2 75 > 3 87.5 > 4 93.75 > 5 96.875 > 6 98.4375 > 7 99.21875 > 8 99.609375 > 9 99.8046875 > 10 99.90234375 > 11 99.95117188 > 12 99.97558594 > 13 99.98779297 > 14 99.99389648 > 15 99.99694824 > 16 99.99847412 > 17 99.99923706 > 18 99.99961853 > 19 99.99980927 > 20 99.99990463 > > I can run estimates for couples who have more than 20 children if > necessary! > > > Sincerely, > Tim Janzen > >