Instances in which the expression of a gene is determined by whether it is inherited from the mother or the father is called ______.
A. polygenic inheritance
B. incomplete dominance
C. dominant-recessive inheritance
D. genomic imprinting
Answer: D
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Certain types of brain damage impair someone's ability to form long-term memories, without a loss of old memories. What type of memory loss is this?
a. Retrograde amnesia b. Anterograde amnesia c. Implicit memory loss d. Procedural memory loss
Jerald wakes up in New Jersey, some four hundred miles from his home in New Hampshire. He cannot remember how he got there, and he has no memory of his former life. He establishes a new identity in New Jersey. This illustrates ____
a. dissociative identity disorder c. depersonalization disorder b. localized amnesia d. dissociative fugue
Each day ____ resets our circadian clock.
A. an alarm clock B. morning sunlight C. the feeling of hunger D. evening sunlight
Given what you know about the function of myelination, which of the following would be the most likely consequence if humans lost all myelination?
A. Fewer neurotransmitters would be released. B. More neurotransmitters would be released. C. Energy requirements would increase. D. Neural signals would propagate faster.