June 2007 PrepTest, Section 2, Question 2
By Brandon Beaver | Published October 29, 2024
Type: Parallel Flaw
Difficulty:
Explanations
Haha no, this isn’t always how it works. Mixing one extreme with the other extreme does not always leave you with something in the middle. It definitely doesn’t always work that way with genetics.
I’m looking for an answer choice that commits the same flaw: Because X is on one end of the extremes, and Y is on the other end, mixing them together must give me something right in the middle.
A
No, this only gives one end of the extreme—it would need to say, “some students who do not study get bad grades.”
B
Yup, there it is. Type A chemicals are one end of the extreme—“extremely toxic”; type B chemicals are the other end—“nontoxic”. This does NOT mean that mixing the two makes the resulting solution only moderately toxic.
C
Nope. This is valid, so it must be wrong.
D
No. This is valid, like C. So it’s wrong.
E
Wrong again. This confuses sufficient for necessary, which is a totally different flaw.
Passage
All Labrador retrievers bark a great deal. All Saint Bernard
Question 2
Which one of the following uses flawed reasoning that most c