If the mother's actual genotype is IA i and the father's blood type is IB i, what is the probability of their child having AB blood?

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm