What are the four major blood groups? A: A, B, O and AO
B: AB- O+, AB+, and O-
C: A, B, AB, and O
D:A, B, C, and D

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Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring

Which statement best compares aerobic and anaerobic respiration