Sara and chole are identical twins. Chole has been diagnosed with a depressive disorder. Sarah genetic risk for developing a depressive disorder is---- percent a. 46 b. 10 c. 20 d. 15

c. 20

To calculate Sarah's genetic risk for developing a depressive disorder, we need more information. The percentage risk may depend on various factors such as family history, environmental factors, and genetic predisposition. Can you provide any additional information to help determine the answer?