Sandy, Someone has probably answered this for you but I didn't look 'cause I was happy you asked me a question I could answer ;-) That is Mike's terminology for his R1b-L21 "big" tree he keeps up with all the kits under L21+.......... I will post a link to same if one doesn't show up right away. Linda > Message: 6 > Date: Wed, 27 Nov 2013 18:35:58 -0000 > From: "Alexander Paterson" <[email protected]> > Subject: Re: [R-M222] Chromo2 Tests Pending Check List > To: <[email protected]> > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > Hi Linda, > > I'm not familiar with the reference > > 49-2329222-48714 > > What does it mean? > > Sandy >