Snip --Are single mutations confusing us?-- Gene said Ok - before he moves on - let me assure some of you out there that are thinking - ok I'm already confused :*) And let me assure you that it is ok. Keep on wading through it and drawing charts and circles - it will all come to you. But the main purpose of my post is to assure Gene that we are out here , or should I say I'm out here. Of course Old Richard is a 20. Had to smile Rolla's lap top died, my pc has died and I'm on a lap top and am adjusting to it's strange key board - any hard drive magicians out there? Plus somebody slid into my car today (ice and snow in Kansas) - no note - ok that's two that's enough. Keep typing away Gene. Glenda