Saferstein, Richard (2011). Criminalistics, 10th edition. Saddle River: New Jersey.
Pearson Prentice Hall.
Question 1 of 10
How many different bases are associated with the makeup of DNA?
A. a. 3
B. b. 4
C. c. 5
D. d. 6
E. e. None of the above
Answer Key: B
Question 2 of 10
Assume that two strands of DNA have been separated and that the base sequence on one strand is ATGC. State the sequence of bases on the second strand.
A. a. GCAT
B. b. ACTC
C. c. TGGC
D. d. TACG
E. e. GACG
Answer Key: D
Question 3 of 10
Portions of the DNA molecule useful for DNA typing:
A. a. Code for the production of proteins.
B. b. Are useful for recombinant DNA.
C. c. Are repeated many times.
D. d. Are useful for the production of insulin.
E. e. Can determine if a person has sickle-cell anemia.
Answer Key: C
Question 4 of 10
The following steps comprise the DNA typing process: (l) electrophoresis, (2) Southern blotting, (3) hybridization with a radioactive probe, (4) digestion with restriction enzyme, (5) process with x-ray film. List these steps in their proper sequence.
A. a. 1,2,3,4,5
B. b. 2,1,3,4,5
C. c. 4,5,1,2,3
D. d. 5,4,3,2,1
E. e. 4,1,2,3,5
Answer Key: E
Question 5 of 10
The first commercial and validated PCR-based typing system for forensic science applications is:
A. a. XXY
B. b. A-B-O
C. c. PGM
D. d. HLA/DQA1
E. e. p30
Answer Key: D
Question 6 of 10
The concept of simultaneously extracting, amplifying, and detecting a combination of STRs is known as:
A. a. PCR
B. b. THO1
C. c. Multiplexing
D. d. Electrophoresis
E. e. Polymarker
Answer Key: C
Question 7 of 10
Which of the following statements about mitochondrial DNA is incorrect?
A. a. Mitochondrial DNA is located outside the cell's nucleus
B. b. Mitochondrial DNA is constructed in a loop configuration
C. c. Two regions of mitochondrial DNA have been found to be highly variable in the human population
D. d. Many copies of mitochondrial DNA's hypervariable regions are made by PCR
E. e. The number of repeat segments found in the hypervariable regions are used to type mitochondrial DNA
Answer Key: E
Question 8 of 10
The fingerprint pattern accounting for only five percent of all known patterns is the:
A. a. Arch
B. b. Radial loop
C. c. Ulnar loop
D. d. Whorl
E. e. None of the above
Answer Key: A
Question 9 of 10
Which statement is true of a partial fingerprint?
A. a. It must show at least a little of all ten fingers.
B. b. Any print is sufficient for identification as long as there is enough to identify its basic pattern.
C. c. Any print can identify a criminal if it shows an adequate number of ridge characteristics.
D. d. At least 75% of the pattern must be present for identification.
E. e. None of the above
Answer Key: C
Question 10 of 10
Which of the following is not a ridge characteristic of a fingerprint?
A. a. Enclosure
B. b. Bifurcation
C. c. Island
D. d. Ridge ending
E. e. Core
Answer Key: E
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