Epigenetic inheritance
A. only effects male offspring.
B. only refers to autosomal genes.
C. can result in the expression of different alleles in different generations.
D. only effects female offspring.
E. only refers to X inactivation.
Answer: C
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Compare the flow of energy and the flow of nutrients in ecosystems.
A. Both function in the same way, as both energy and nutrients get recycled in ecosystems. B. Both function in the same way, as both energy and nutrients come in and out of ecosystems. C. Energy is recycled within ecosystems, while nutrients come in and out of ecosystems. D. Energy comes in and out of ecosystems, while nutrients are recycled within ecosystems.
Nuclei created through the process of meiosis contain _____ the number of chromosomes as the original cell.
a. half b. triple c. double d. four times
Specific dynamic action is the amount of energy required
A. to maintain normal body functions at rest. B. for voluntary muscular movements. C. to digest and assimilate food. D. by all normal body functions and activities.
One of the key contributions of the punctuated equilibrium model is that it helps explain
A) why transitional fossils are more common than Darwin would have predicted. B) why transitional fossils tend to be rare and certain common fossil species remain unchanged for long time spans. C) how new species arise from hybridization events. D) why large, widespread populations tend to be the ones that evolve most rapidly and unpredictably.