Guest guest Posted July 8, 2003 Report Share Posted July 8, 2003 From reading the s Hopkins list, I am inclined to think that perhaps gene penetration and modifier genes (on chromosome 19) may be the big determinants, but I could be wrong and an entirely different theory may emerge by 6:00 a.m. tomorrow morning! Love to all at cf parents, n Rojas Quote Link to comment Share on other sites More sharing options...
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