A. that alleles causing diseases such as diabet… Show more QUESTION 5 The thrifty genotype hypothesis proposes: A. that alleles causing diseases such as diabetes were advantageous at some point in our evolutionary history B. that modern diets are often rich in nutrients that were more scarce over our evolutionary history C. that conditions experienced by a developing fetus can affect physiology throughout life D. a and b are correct E. a, b, and c are correct QUESTION 6 Beckwith-Wiedemann syndrome results from: A. a mutation the coding sequence of the Igf2 gene B. a mutation that completely inactivates the Igf2 gene C. altered imprinting of the Igf2 gene D. modifications of the Igf2 protein QUESTION 7 At one time many scientists assumed that eukaryotes acquired mitochondria well after the origin of eukaryotic life. What recent discovery casts doubt on this idea? A. the presence of mitochondria in some prokaryotes B. the absence of mitochondria in some eukaryotes C. the presence of mitosomes in some eukaryotes D. the fact that eukaryotes can be infected by many bacteria QUESTION 8 When it comes to economic decisions, humans: A. almost always act rationally by making choices that result in the highest average payoff B. are more likely to gamble when facing a gain than a loss C. are more likely to gamble when facing a loss than a gain D. none of the above • Show less