Which best explains why DNA technology is important for disease prevention? A: It can help detect if a person is prone to certain diseases.
B: It can manipulate genes to express desirable traits
C: It can treat diseases with the help of genetically modified food
D: It can increase the genetic diversity of a species.

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells

What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.