Plz no bit.yl stuff, just answers
Sickle cell anemia is a disease that affects the circulatory system.It can be passed from parent to child. Which of the following indicates the significance of this disease?
A.It shows that a disease can cause genetic changes.
B.It is a reflection of how genetic factors affect health.
C.It shows how public health is affected by environmental factors.
D.It indicates how a toxin can play a role in the development of disease.