Which of the following examples describes a gene-environment interaction?
a. Exposure to poverty in childhood is associated with poor academic performance.
b. A boy inherits a perfectionistic personality characteristic and tends to choose activities that have a low chance of failure, which actually reinforces his perfectionistic tendencies.
c. Fair-skinned people are genetically more prone to develop skin cancer; however, if they avoid excessive sun exposure, this genetic predisposition may not lead to the development of skin cancer.
d.A person's genetic risk for heart disease is compounded by an additional genetic risk for diabetes.
Answer: c. Fair-skinned people are genetically more prone to develop skin cancer; however, if they avoid excessive sun exposure, this genetic predisposition may not lead to the development of skin cancer.
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a. longitudinal b. cross-sectional c. cohort-sequential d. causal
One way of inferring heritability is by studying adopted children
Indicate whether this statement is true or false.
Your aunt has a fear that makes it difficult for her to leave her home. She feels trapped and is unable to work or engage in any kind of activity that requires going outside of her home
You are not surprised when you find out your aunt is diagnosed with _________________. a) trypanophobia b) odontophobia c) agoraphobia d) a specific phobia
High school students from middle- and high-SES homes are more likely than those from low-SES homes to
A) drop out before finishing high school. B) complete fewer years of schooling. C) earn, on average, lower grades. D) score higher on achievement tests.