NEW
Font size
S
M
L
XL
WorksheetsDNA and Forensics
Total questions: 23
Worksheet time: 2hrs 33mins
Name
Class
Date
1.
The purpose of PCR
a)
cutting DNA
b)
creating RFLPs
c)
amplifying/copy DNA
d)
reversing the charge of DNA
2.
Who invented the process of DNA fingerprinting?
a)
Jeffreys
b)
Dawson
c)
Roseland
d)
Crick
3.
What enzyme is used during PCR to pair complementary bases to the template strand?
a)
Thermonuclease
b)
Helicase
c)
DNA Polymerase
d)
RNA Polymerase
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.
Based on these results whose blood was found in the blood stain at the crime scene?
a)
Bob
b)
Sue
c)
John
d)
Lisa
6.
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
7.
The computerized database used to store DNA information is:
a)
AFIS
b)
NIBIN
c)
CODIS
d)
PDQ
8.
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
9.
Where is DNA found in the body?
a)
Cells nucleus
b)
Heart
c)
Cartilage
d)
Muscle
10.
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
11.
The twisted ladder shape of DNA is referred to as a ....
a)
Twizzler candy
b)
twisted ladder
c)
double helix
12.
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
13.
Which tissue samples are used for DNA fingerprinting?
a)
Hair
b)
Skin
c)
Blood
d)
Any of the above
14.
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!
15.
enables federal, state, & local crime labs to electronically exchange & compare DNA profiles
a)
CODIS
b)
IAFIS
c)
NIBIN
d)
PDQ
16.
The DNA in a man's blood is the same as the DNA in his skin cells and saliva.
a)
True
b)
False
17.
DNA can have forensic value even if it is decades old.
a)
True
b)
False
18.
Which suspect’s DNA matches the felon’s DNA left at the crime scene?
a)
Suspect 1
b)
Suspect 2
c)
Suspect 3
19.
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
20.
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
21.
Mr. Jones was killed in a car accident. Afterwards, a former girlfriend filed a paternity suit claiming that Mr. Jones was the father of her child, and thus she was entitled to the man’s estate. Which sample of DNA would have to be from Mr. Jones if he were the child’s father?
a)
2
b)
3
c)
4
d)
5
22.
A boy moves to another country to live with his father. Years later, the boy decides to move back to live with the woman who raised him. Immigration officials suspected that the boy was the woman’s nephew, not her son, and therefore not legally entitled to residency. Based on the DNA fragments, is it possible that she is the boy’s mother?
a)
Yes
b)
No
23.
Which of the following is true about mitochondrial DNA?
a)
is donated from mom and dad
b)
can only be inherited from dad
c)
can only be inherited form mom
d)
has a double helix structure
Reset
