Track 18

Unit 11

biology

DNA testing

Take the unit test

listen to each question circle the letter of the correct answer.

1) What is the main focus of the lecture?

2) Which of these topics does the speaker not discuss?

3) What do you think is probably true about a brother who is short and a sister who is tall?

4) To create a DNA fingerprint scientist first take samples from different parts of the body. What’s the next step?

5) Listen to this excerpt from the lecture: statistically is very unlikely that any two people will have identical fingerprints. Why does the speaker say this?

6) What is identifying an accident victim. An example of

7) In a crime lab. Why do scientists need DNA samples from both the suspect and the crime scene?

8) Why is it better to have four DNA matches than one?

9) What causes more than 6000 genetic disorders?

10) Which of the following is not mentioned as a privacy concern?