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WorksheetsUnit 4 DNA Quiz Review
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
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
2.
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
3.
How do scientists cut DNA into smaller strands?
a)
restriction enzymes
b)
scissors
c)
ligase
d)
agarose
4.
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
5.
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
6.
Based on these results whose blood was found in the blood stain at the crime scene?
a)
Bob
b)
Sue
c)
John
d)
Lisa
7.
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
8.
Where is DNA found in the body?
a)
Cells nucleus
b)
Heart
c)
Cartilage
d)
Muscle
9.
A special protein that targets a specific base sequence and cuts DNA into smaller fragments is what?
a)
Genome
b)
Polymerase Chain Reaction
c)
Restriction Enzyme
d)
DNA Fingerprint
10.
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
11.
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
12.
In the image, why are there multiple bands in each lane?
a)
The bands represent various size fragments of DNA
b)
The bands represent how much electricity was used to run the gel
c)
We’re not sure why this happens
d)
The bands are random and there’s no way to predict what it means
13.
DNA stands for Deoxyribonucleic Acid.
a)
True
b)
False
14.
Who was the first person to use X-ray photography to look at DNA?
a)
Francis Cricke
b)
James Watson
c)
Rosalind Franklin
d)
Erwin Chargraff
15.
Who discovered the base pairing of DNA?
a)
Francis Cricke
b)
James Watson
c)
Rosalind Franklin
d)
Erwin Chargraff
16.
Which tissue samples are used for DNA fingerprinting?
a)
Hair
b)
Skin
c)
Blood
d)
Any of the above
17.
DNA fingerprints are used in forensics to provide unique banding patterns, like fingerprints on a hand.
a)
True
b)
False
18.
A person's fingerprint is necessary to create their DNA fingerprint.
a)
True
b)
False
19.
DNA is used for...
a)
Determining biological parents of children
b)
Identifying a victim or suspect
c)
can refute a claim of self-defense
d)
all of the above and more!
20.
A restriction enzyme cuts DNA at
CC/GG
GG/CC
ATCGAATTGGCCGAAATTTCCGGAT
TAGCTTAACCGGCTTTAAAGGCCTA
The number of RFLPs or fragments that would result.
CC/GG
GG/CC
ATCGAATTGGCCGAAATTTCCGGAT
TAGCTTAACCGGCTTTAAAGGCCTA
The number of RFLPs or fragments that would result.
a)
3
b)
2
c)
5
d)
4
21.
enables federal, state, & local crime labs to electronically exchange & compare DNA profiles
a)
CODIS
b)
IAFIS
c)
NIBIN
d)
PDQ
22.
The DNA in a man's blood is the same as the DNA in his skin cells and saliva.
a)
True
b)
False
23.
DNA can be found in all parts of the body except hair.
a)
True
b)
False
24.
DNA can have forensic value even if it is decades old.
a)
True
b)
False
25.
Which suspect’s DNA matches the felon’s DNA left at the crime scene?
a)
Suspect 1
b)
Suspect 2
c)
Suspect 3
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