WorksheetsForensic DNA Analysis
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
True or False. The total amount of DNA in a cell is known as genome?
a)
True
b)
False
2.
Which model of base pairing is correct?
a)
A=T and C=G
b)
A=T=C=G
c)
A+T and G+C
d)
A=G and T=C
3.
The purpose of PCR
a)
cutting DNA
b)
creating RFLPs
c)
amplifying/copy DNA
d)
reversing the charge of DNA
4.
If base-pairing rules state that Adenine always pairs with Thymine, and Cytosine pairs with Guanine, what would be the complementary strand to ACGGT?
a)
ACGGT
b)
TGGCA
c)
TGCCA
d)
ACCGT
5.
Who invented the process of DNA fingerprinting?
a)
Jeffreys
b)
Dawson
c)
Roseland
d)
Crick
6.
What enzyme is used during PCR to pair complementary bases to the template strand?
a)
Thermonuclease
b)
Helicase
c)
DNA Polymerase
d)
RNA Polymerase
7.
How do scientists cut DNA into smaller strands?
a)
restriction enzymes
b)
scissors
c)
ligase
d)
agarose
8.
Why do you use a new pipette tip on the micropipette every time you get a new sample?
a)
To avoid contaminating the other samples
b)
To use as many tools as you can.
c)
The pipette tips disappear after being used.
d)
None of these reasons
9.
Which sequence of DNA bases would pair with this partiaal strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
10.
Which two bear species are most closely related?
a)
Bear 1 and Bear 2
b)
Bear 1 and Bear 3
c)
Bear 2 and Bear 3
d)
There’s no way to tell
11.
Based on these results whose blood was found in the blood stain at the crime scene?
a)
Bob
b)
Sue
c)
John
d)
Lisa
12.
Watson and Crick were the first to suggest that DNA is _____
a)
a short molecule
b)
the shape of a double helix
c)
a protein molecule
d)
the genetic material
13.
The computerized database used to store DNA information is:
a)
AFIS
b)
NIBIN
c)
CODIS
d)
PDQ
14.
Biologists need additional copies of a DNA fragment. What tool should they use?
a)
Gel Electrophoresis
b)
PCR
c)
Restriction enzymes
d)
This isn't possible
15.
Where is DNA found in the body?
a)
Cells nucleus
b)
Heart
c)
Cartilage
d)
Muscle
16.
What is a special protein that targets a specific base sequence and cuts DNA into smaller fragments?
a)
Electrophoresis
b)
Polymerase Chain Reaction
c)
Restriction Enzyme
d)
Introns
17.
Pattern of DNA fragments obtained by examining a person's unique sequence of DNA base pairs is?
a)
PCR
b)
Chromosome
c)
Electrophoresis
d)
DNA Fingerprinting
18.
The four types of nucleotides that make up DNA are named for their:
a)
hydrogen bonds
b)
nitrogenous bases
c)
phosphate group
d)
ring-shaped sugars
19.
Which DNA strands move the fastest through the gel when the electricity is turned on?
a)
The long strands
b)
The short strands
c)
The medium strands
d)
They all move the same
20.
What is the charge of DNA?
a)
positive
b)
negative
c)
neutral
100 %
