The environmental contribution to bipolar disorder is most likely, at least in part, based on
_____________.
A. prenatal exposure to toxic chemicals
B. overexposure to UV light
C. mutagens that damage DNA repair enzymes
D. epigenetic changes involving methylation and demethylation
E. childhood abuse
D
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Heritability may be calculated as which of the following?
A. The total variance minus environmental variance B. Total variance minus genetic variance C. Genetic variance divided by environmental variance D. Genetic variance divided by total variance
Which of the following are considered fossils?
A. Mineralized bones B. Animals frozen in ice or preserved in amber C. Footprints or other impressions preserved in stone D. All of the above are considered fossils
Which is easier to establish in a pure-breeding population, a dominant or a recessive gene? What will be an ideal response?
Which of the following corporate strategies did ExxonMobil pursue by acquiring XTO Energy, a natural gas company?
A. taper integration strategy B. differentiation strategy C. related diversification strategy D. cost-leadership strategy