DNA ingerprinting: Condemning evidence 957 · 10
EXERCISEParaphrasing the topic sentences in the reading text Paraphrase each
of the topic sentences that you identiied in Exercise 7-6: identify the key words,
write a synonym or deinition for each, and rewrite the sentence in your own words.
For the topic sentences from paragraphs 2 and 3, the key words and their synonyms
or deinitions have been provided.Paragraph 2 “Before DNA arrived on the scene, digital ingerprints were the key to
determining an individual’s identity.”
arrived on the scene: appeared
were the key to determining: identified
Paragraph 3 ”DNA testing would not be where it is today without the discoveries of British
geneticist Alec Jefreys and American biochemist Kary Mullis.”
would not be where it is today: wouldn’t exist
discoveries: work
Paragraph 4 “In 1987, RFLP was used for the irst time in the investigation into the rape
and murder of two young girls.”
Paragraph 5 “While Alec Jefreys was carrying out his lengthy research, Kary Mullis worked
out, one night in 1983, an ingenious method to increase the amount of DNA
available for testing.”
Paragraph 6 “Before DNA testing became a standard feature of the criminal justice system,
legal hurdles had to be cleared.”