50. What part of the body does the deltoid move? a. Head and neck
b. Upper extremities
c. Trunk of the body
d. Lower extremities

What word is used to describe differences of individual organisms

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

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?