90 practice makes perfect Advanced English Reading and Comprehension
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EXERCISE
Reading for details For each of the following sentences, choose the correct answer
to ill in the blank.
- Restriction fragment length polymorphism, or RFLP, was developed by a(n)
.
a. Italian anatomy professor
b. British geneticist
c. American biochemist - DNA testing was irst used to solve a crime in.
a. Argentina
b. the United States
c. England - The FBI Crime Lab was established in the.
a. 1920s
b. 1980s
c. 1990s