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Genetics and Behavior
Self-grading Problems

1 .       Which of the following is a useful approach to identifying whether a behavioral trait is influenced genetically? [Hint]



2 .       Maze learning in rats [Hint]



3 .       Behavioral traits and structural traits [Hint]



4 .       Artificial selection [Hint]



5 .       All of the following are evidence of learning in Drosophila except [Hint]



6 .       Genetic control of behavior in humans is difficult to study for all of the following reasons except that [Hint]



7 .       What's Huntington disease caused by? [Hint]



8 .       Tay-Sachs disease is a genetically controlled and fatal neurological disorder. Which of the following is a possible explanation for why the gene hasn't been wiped out by natural selection? [Hint]



9 .       Phenylketonuria doesn't always result in mental retardation because [Hint]



10 .       Schizophrenia is characterized by all of the following except [Hint]



11 .       Which of the following enzymes produces learning defects when it is nonfunctional in Drosophila? [Hint]



12 .       Phototaxis is [Hint]



13 .       A deficiency in monoamine oxidase (MAOA) is linked with a disease characterized by mental retardation and aggression. Why is the mutant gene for this disease carried in some normal females but not in normal males? [Hint]



14 .       Which of the following neurobehavioral conditions is not inherited in a simple one-gene Mendelian fashion? [Hint]



15 .       Mutant flies with learning deficits can be produced by [Hint]



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