Suppose two AaBbCc individuals are mated. Assuming that the genes are not linked, what fraction of the offspring are expected to be homozygous recessive for the three traits?
A) 1/4
B) 1/8
C) 1/16
D) 1/64
D
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A likely biological basis of major depressive disorder is
A) reuptake pumps for serotonin in the presynaptic neuron membrane that are overactive, depleting serotonin in the synapse. B) absent reuptake pumps for serotonin in the presynaptic neuron membrane. C) reuptake pumps for serotonin in the postsynaptic neuron membrane that do not function adequately. D) reuptake pumps for serotonin in the postsynaptic neuron membrane that are overactive, depleting serotonin in the synapse.
In studying the dance of the honeybees, Karl von Frisch determined the duration of dance conveyed the ____ of the
food and the angle of the dance conveyed the ____ of the food.
a. direction; distance b. distance; direction c. type; direction d. direction; type e. distance; type
Starch is the primary storage food for all of the following except ________.
A. green plants B. algae C. some fungi D. animals
Meningitis may be diagnosed by analyzing a sample of
a. brain tissue. b. CSF. c. blood. d. spinal cord. e. meninges.