Which of these health risks may be caused by sleep deficiency?

a. allergies

b. immune suppression

c. cancer

d. lung disease

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

Give an example of a trait that is controlled by more than one gene.

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body