Mary’s parents both have type AB blood but she has blood type A. John has type B blood, but his mother had type A blood. What are John’s and Mary’s 2 letter genotypes for their blood type?

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.

Which of the following organisms are capable of self-fertilization? a.plants b.tigers c.humans