In vertebrates, the location of spinal cord damage determines the region of the body that is impaired. This is a product of:
A. organization of efferent neurons.
B. localization of spinal ganglia.
C. segmentation of the spinal cord.
D. organization of spinal nerves.
C
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The gene pool of the next generation is derived from
A. all individuals of a population. B. only the female members of a population. C. those individuals of a population that reproduce and have viable offspring. D. individuals in a population that choose to contribute. E. only the male members of a population.
Which of the following is NOT correct
concerning a tubal pregnancy?
a. they can be caused by endometriosis b. they can threaten the life of the mother c. they can be caused by STDs d. fetuses that come to term must be delivered by Caesarian section e. all of these are true concerning a tubal pregnancy
What are the cancer causing genes called?
A. oncogenes.
B. proto-oncogenes.
C. tumor suppressor genes.
D. viral genes.
Artificial selection and hybridization can demonstrate the ________ basis of behavior.
A. operant B. endogenous C. cognitive D. genetic E. associational