chromosome 3. chromosome 3 found in the bloods between the father and son,,,would this mean that my son,s blood is not the same as mine,,i was told it was all about learning problems,,,but i am woried that theres more involved,,can you send me a chart or some thing describeing ch 3 is all about and too what area of the body its being tested on espicaly a 9 year old child ,,thanks

Summarized question: What health conditions are associated with changes in chromosome 3?