A couple is worried about having a child with a genetic disorder so they go to a genetic counselor. The counselor takes a sample of cells from their mouth to determine if there is a possibility of having a genetic disorder. Explain why they the sample from the mouth instead of simply looking at sperm or egg cells.

Why does earth contain such diverse life forms?

Which are observations about the tree on the right ,? check all that apply

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.