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quote:As cell function is based on having the right amount of all the proteins relative to each other having three copies made instead of two can seriously mess things up
quote:Originally posted by DoctorBeaverI've managed to find some info on a few sites but I'm as confused as ever. Is chromosome ring 22 a form of mosaicism or is it in addition to? I've also found references to monosomy, trisomy & tetrasomy. I've managed to sort out what they mean & what the symptoms of monosomy can be, but trisomy & tetrasomy are proving somewhat more elusive.