It is clear from current research on human behavior genetics that _____
a. animal models of human disease are not useful for behavior research
b. epigenetics does not play a significant role in behavior disorders
c. few abnormal behaviors have an environmental component
d. most abnormal behaviors are due to single-gene effects
e. abnormal behaviors are not due to single-gene effects
e
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Which one of the following is the gravity-sensing organ found in lobsters that provides information about body position and orientation?
A. lateral line system B. statocysts C. semicircular canal D. vestibular system
A significant fraction of the earth’s carbon is found
in all EXCEPT which of the following forms? a. carbonate ions b. carbon dioxide c. bicarbonate ions d. carbon monoxide e. detritus in soil
Proteins that are encoded by the same gene but differ in structure and function are the product of alternative splicing in pre-mRNA processing. Such protein variants are termed
A) isoteins. B) heteromeric proteins. C) isozymes. D) protein isoforms. E) allelomorphs.
What does each different band on a DNA profile represent?