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GMAT Question of the Day
March 18, 2014
Every weekday, GMAT Hacks publishes a realistic GMAT practice question. In general, you'll see Quant problems on Monday, Wednesday, and Friday, and Verbal questions on Tuesday and Thursday. You'll always be able to find them at www.gmathacks.com/daily.
Give today's question a try, and check your answer. When you're done, be sure to subscribe so that you can keep practicing every day!
Today's Practice GMAT Question:
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Archeologist: The discovery of chicken bones in a recently excavated Incan settlement, dating between 1320 and 1410 C.E., suggests that chickens were brought to the Americas by Polynesians before introduction by the Spaniards. It is also possible that contamination caused the specimens to appear older than they actually are. To settle this, scientists sequenced DNA from the ancient chicken bones and from Polynesian chickens and found that they share a genetic signature. A later genetic study revealed that the same signature is found in chickens from throughout Europe and Asia. Which of the following, if true, most helps to explain the findings of the later study? |
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| (A) | European explorers in the 16th century collected live animals from throughout the Americas and returned them to Europe for study and breeding. |
| (B) | The Incas did not raise chicken for food. |
| (C) | DNA sequencing is a reliable method of identifying the migration of species from one continent to another, even over a period of centuries. |
| (D) | In diaries of Asian expeditions, European explorers refer to feasting on a game bird that may be related to the Polynesian chicken. |
| (E) | The Spaniards did not introduce chickens to the Americas until at least 1500 C.E. |
Click to show answer (opens in new window)
Need more work in this area? In Total GMAT Verbal, there is an entire chapter, including practice problems, that covers Explanation.
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About the author: Jeff Sackmann has written many GMAT preparation books, including the popular Total GMAT Math, Total GMAT Verbal, and GMAT 111. He has also created explanations for problems in The Official Guide, as well as 1,800 practice GMAT math questions.
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