Question

If one identical twin suffers from anorexia nervosa, the other twin will develop this disorder in as many as _____ percent of cases. On the other hand, the concordance rate for fraternal twins is around 20 percent.

Answer 1

Answer:11 percent

Explanation: there is always a 11 percent possibilty that an half twin suffers eating disorders if the other suffers from anorexia nervosa.