Quiz: Chapter 15

1. How many pairs of chromosomes do humans have?

a) 22

b) 12

c) 23

d) 46

2. The polymerase chain reaction

a) splices the DNA sequence

b) multiplies the copies of the DNA sequence

c) locates how long the DNA sequences are

d) changes the mutations in the DNA sequences

3. What are the most detrimental mutations?

a) point mutation

b) nonsense mutation

c) missense mutation

d) frameshift mutation

4. Restriction enzymes

a) copy a DNA sequence

b) bind to a DNA sequence

c) are only used once

d) restrict a DNA sequence from being copied

5. The first multicellular organsim sequenced was

a) tiny worm

b) fruit fly

c) beetle

d) wasp

answers

1. c

2. b

3. d

4. b

5. a