Which type of gene is most likely to be widely expressed in the body of someone who has been injured in an accident? the gene that controls the production of stem cells the gene that controls the production of skin cells the gene that controls the production of red blood cells the gene that controls the production of cardiac cells

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.