I have done two DNA tests. An early one (which was very general, even taking me back in a small way to Africa) and the Ancestry one. I feel cheated with both. I think I was beguiled by the advertising. Regards, Penny On Sun, May 20, 2018 at 8:34 PM, Penny Trueman <maudtrueman@gmail.com> wrote: > I have done two DNA tests. An early one (which was very general, even taking > me back in a small way to Africa) and the Ancestry one. I feel cheated with > both. > I think I was beguiled by the advertising. > Regards, Penny > > On Sun, May 20, 2018 at 1:15 AM, Ralph Taylor <rt-sails@comcast.net> wrote: >> >> Peter's referring to what we call an "admixture report", an analysis of >> your >> autosomal DNA by locations: X percentage from A, Y % from B, Z % from C, >> etc. >> >> In these analyses, parts of your DNA are compared against reference >> databases for various populations. Obviously, accuracy of the analysis >> depends heavily on the reference databases. >> >> There are some problems with genetic ancestry mixtures: >> >> 1. What DNA can tell us doesn't match our expectations. DNA doesn't know >> political borders; genetics on one side of a border will look a lot like >> genetics on the other side. It especially can't tell the difference >> between >> English and Scots. (Both sides of this border are predominantly Celtic >> with >> infusions of Germanic and Scandinavian.) >> >> 2. Humans have been moving to-and-fro for many millennia, most especially >> the latest one. Everywhere a group went, it mixed DNA with other groups. >> That's made many modern populations (including "English") amalgams of more >> ancient populations. >> >> 3. DNA isn't inherited in a precise fashion. Different parts get passed >> down >> from parent to child; some siblings get different parts. It's therefore >> likely that full siblings will seem to differ in "ethnic makeup". >> >> I'd refer those interested to the People of the British Isles (POBI) >> study, >> which identified many sources for "British DNA". >> >> -rt_/) >> >> >> ---------------------------------------------------------------------- >> >> Date: Fri, 18 May 2018 17:47:57 +0100 (BST) >> From: "Peter Metcalfe" <Peter-redfern@runbox.com> >> Subject: [LAN] Re: Thoughts on DNA Testing >> To: "lancsgen" <lancsgen@rootsweb.com> >> Message-ID: <E1fJiXt-0004mj-6Q@rmmprod06.runbox> >> Content-Type: text/plain; charset="utf-8" >> >> I haven't had it done yet but I am not interested in contacting cousins, I >> just want to know which countries I came from in the distant past. >> >> Peter >> >> >> _______________________________________________ >> :-+-: :-+-: :-+-: :-+-: :-+-: :-+-: :-+-: >> >> GENUKI - a virtual reference library of genealogical information. >> http://www.genuki.org.uk/ >> >> Contact the list administrator at LancsGen-admin@rootsweb.com >> >> :-+-: :-+-: :-+-: :-+-: :-+-: :-+-: :-+-: >> _______________________________________________ >> Email preferences: http://bit.ly/rootswebpref >> >> Unsubscribe >> https://lists.rootsweb.ancestry.com/postorius/lists/lancsgen@rootsweb.com/ >> >> Archives: >> https://lists.rootsweb.ancestry.com/hyperkitty/list/lancsgen@rootsweb.com/ >> >> Privacy Statement: https://ancstry.me/2JWBOdY Terms and Conditions: >> https://ancstry.me/2HDBym9 >> >> RootsWeb is funded and supported by Ancestry.com and our loyal RootsWeb >> community > >