What is the difference between an individual's genotype and phenotype?
What will be an ideal response?
A genotype is a person's constant genetic endowment. A phenotype is a person's observable and measurable features, characteristics, and behaviors.
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You are walking along and are suddenly startled by the loud sound of a truck backfiring. Your startle response is the __________, and the sound of the backfire is the __________
a. UR; US c. CR; CS b. CS; US d. CR; UR
Part of the APA guidelines suggest that after data are collected:
a. all participants should be informed about the nature of the study. b. participants need to be informed about the study only if deception was involved. c. it is best not to talk to participants. d. there is no longer any need to worry about harm to the participants.
Which statement is true of synapses?
A. Action potentials open chloride channels to release neurotransmitters. B. Presynaptic voltage changes past threshold trigger the release of neurotransmitters. C. The interior of the nerve cell becomes more negative during the action potential. D. The exterior of the nerve cell becomes more positive during the action potential.
The standard deviation of any distribution must always equal
one-sixth of the range. Indicate whether the statement is true or false