Question

The question in this section are based on the reasoning contained in brief statements or passages For some question ,more than one of the choices could conceivably answer ; that is , the response that most accurately and completely that are by common sense standards implausible superfluous or incompatible with the passage.
Science columnist : it is clear why human have so many diseases in common with cats. Many human diseases are genetically based , and mammals expect nonhuman primates Each of the genes identified so far in cats has an exact counterpart in humans.
Which one of the following, if true, most weakens the science columnist 's explanation for the claim that humans have so many disease in common with cats?

• A. Cats have build up resistance to many of the diseases they have in common with humans.
• B. Most disease that human have in common with cats have no genetic basis.
• C. Cats have more disease in common with nonhuman primates than with humans.
• D. Many of the diseases human have in common with cats are mild and are rarely diagnosed.

Answer 1

The correct option is B Most disease that human have in common with cats have no genetic basis.

Option (b) weakened because it states that the diereses that human and cats have in common are not genetic in nature . Thus, it negates the science columnist's reasoning of humans and cats having similar diseases because of their genetic similarity.