and y. chromosomes we have x. y. which means this is a male embryo if we had two x.'s two greens that would be a female member. and then we allow people to add on additional things that they want we're allowing them to start screening for eye color there's an additional cost. i remember when we first announced i color and allowing couples to choose the i called the baby we actually got a call from the vatican they were very very nice they were scientists at that but they expressed their concerns and expressed the fact that perhaps society wasn't quite ready for this and asked us to go very slowly and very carefully which of course we always do. there's a huge number of things that we're going after obesity is one of the ones everything else as far as we know is far more complex skin complection very very complex and no one's really identified exactly what causes all of skin what causes white skin what causes black skin and everything in between so we're looking at it but we're not approaching it at this point i.q. is not going to happen in my lifetime it's tremendousl