Louise has blond hair and Hamid has black hair. Their daughter, Mariam, has black hair. Mariam has received different forms of a gene from each parent. She is said to be ___________ for the trait

The 1994 Dietary Supplement Health and Education Act

A. requires manufacturers of dietary supplements to demonstrate safety and efficacy before marketing their products. B. directed the FDA to remove ephedra products from the market. C. expanded the definition of dietary supplements and restricted the FDA's regulatory authority over them. D. outlawed multi-level marketing schemes for sales of dietary supplements.

Dr. Pettigrew is conducting a study on a new psychotherapy for depression through the outpatient psychological services clinic at his university. The depressed patients in his study are all moderately depressed, and the therapists are clinical psychology interns and post-doctoral fellows who have received extensive training in the new technique. The clients, who are being paid to take part, are

randomly assigned to either the treatment or control group. Overall, the study has been designed to maximize internal validity. What term is used for studies of this nature? a. a psychotherapy efficacy study b. a psychotherapy effectiveness study c. a quasi-experimental treatment study d. an analog treatment study