DNA Analysis

Quiz
•
Science
•
12th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which model of base pairing is correct?
A=T and C=G
A=T=C=G
A+T and G+C
A=G and T=C
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The computerized database used to store DNA information is:
AFIS
NIBIN
CODIS
PDQ
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which DNA strands move the fastest through the gel when the electricity is turned on?
The long strands
The short strands
The medium strands
They all move the same
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the purpose of gel electrophoresis in DNA analysis?
To separate DNA based on size
To visualize DNA fragments
To create a DNA profile
To compare DNA sequences
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
DNA can be used for ...
determining paternity
identifying human remains
identifying a suspect
All of these
Tags
SFS3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This is the last step of PCR and it requires the temperature to increase to 72C for one minute. Here, complementary strands will be produced from the corresponding base pairs, reforming the DNA into two new strands.
Elongation by DNA Polymerase
Primer Annealing
Denaturation
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why are restriction enzymes used when making a DNA fingerprint using STRs?
They are used to determine the size and shape of DNA fragments.
They are used in order to allow us to determine if a specific family or family member is related to the crime based on their DNA fragments.
STR bands are units of bases that are typically two to five bases long and repeat multiple times. Restriction enzymes cut these bands since they match the enzyme, making them easily recognisable.
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