How does the pulmonary vein differ from the other veins in the body? a. it is under higher pressure. b. it has thinner walls. c. it does not carry blood to the heart. d. it carries oxygenated blood.

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

Dominance the dominant allele doesn’t fully mask or hide the recessive. for example, a red carnation with a white carnation will produce a carnation. one gene one trait. well most of the time than one gene controls a trait. we are all different but genetically speaking we are % similar with regards to genetic makeup.

Which beat describes the brain stem