Which of the Following are Indicators That Genetic Factors Can

Question

Which of the following are indicators that genetic factors can influence human behavior?
A) Huntington's disease
B) Phenylketonuria
C) Down Syndrome
D) Huntington's disease and Phenylketonuria
E) All of these

Accepted Answer

All of these conditions have a genetic basis. Huntington's disease and Phenylketonuria are directly linked to specific genes, while Down Syndrome is caused by an extra chromosome 21, demonstrating how genetic factors can influence human behavior and development.