BIMS 320 Exam 2 March 28, 2006 11:10 am12:25pm VMS 2004

1
BIMS 320 Exam 2March 28, 20061110
am-1225pmVMS 2004

• Format guidelines
• Sample exam questions
• Open forum/review

2
Exam 2 topicsHuman Genetics 6th edition, Ricki
Lewis

• Chapter 8 Genetics of Behavior
• Chapter 9 DNA Structure and Replication
• Chapter 10 DNA to protein
• Chapter 11 Gene expression
• Chapter 12 Gene mutation
• Chapter 13 Chromosomes
• Extra material given in class on each topic
• Mitochondria lecture

3
Exam 2 format

• BRING YOUR STUDENT ID!
• 50 multiple choice questions
• 2 points each
• No scantron required
• 1 hour, 15 minutes
• Strict consequences for cheating
• Must have university excused absence for makeup
  exam

4
Ultraviolet light a. is a type of ionizing
radiation b. causes chromosome breaks c. causes
mutations which cannot be repaired d. is not
mutagenic e. none of these
5
If the genetic code is a triplet, how many
different amino acids could be coded by a
repeating RNA polymer composed of UA
(UAUAUAUAUA...)? a. one b. two c. three d. four
e. five
6
Which of the following organelles found in
vertebrate cells contains a circular,
double-stranded DNA molecule that encodes genetic
information? a. mitochondria. b. chloroplasts. c
. centrioles d. lysosomes.
7
The risk for Down syndrome increases in
situations where the a. mother is 20-29 years
old b. father is 35-50 years old c. mother is
35-45 years old d. father is 20-29 years
old e. both parents are 30-35 years old
8
In the Watson-Crick model of DNA, the
polynucleotide chains are a. of unequal
length b. both oriented in the same
direction c. arranged with the bases on the
outside d. built with the nucleotides as the
backbone e. oriented in opposite directions
9
The term describing bases that pair with each
other is a. complementary b. antiparallel c. ide
ntical d. covalent e. bond forming
10
Results from the study of globin variants
indicates that a. All amino acid substitutions
cause severe phenotypic effects. b. The
alteration of one amino acid can cause a genetic
disease. c. Extended chains do not function to
carry oxygen. d. All mutations in globin are
caused by changes in amino acids. e. None of the
above is indicated.