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Many zoologists have taken to studying the DNA of American coyote populations in an attempt to learn more about ancient canid populations, the ancestors of modern dogs. One problem with this pursuit is that American coyote populations have interbred heavily with feral dog populations. Thus, any group of coyotes zoologists decide to study will have significant amounts of dog DNA in its communal genome.
Which of the following, if true, would most weaken the criticism made above of the zoologists' pursuit?
A. All coyote populations have significant amounts of coyote DNA that can be easily distinguished from any dog DNA that might exist alongside it.
B. Most coyote populations have taken to foraging in the outskirts of human settlement.
C. Many zoologists study more than one species of canid.
D. Many zoologists who study coyote DNA do not infer anything about ancient canids from the research they conduct.
E. Even coyotes without any dog admixture differ substantially from ancient canids.
source - ready4gmat
Which of the following, if true, would most weaken the criticism made above of the zoologists' pursuit?
A. All coyote populations have significant amounts of coyote DNA that can be easily distinguished from any dog DNA that might exist alongside it.
B. Most coyote populations have taken to foraging in the outskirts of human settlement.
C. Many zoologists study more than one species of canid.
D. Many zoologists who study coyote DNA do not infer anything about ancient canids from the research they conduct.
E. Even coyotes without any dog admixture differ substantially from ancient canids.
source - ready4gmat
22 Mar 2018, 07:05
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ArunMunthala
correct but you should post your reasoning that will help you when you start solving 700+ level questions.
