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Worksheets1.4.2 DNA Fingerprinting
Total questions: 21
Worksheet time: 11mins
How similar are two human's DNA?
100% the same
99.9% the same
65% the same
no similarities between two people
How different are two people's DNA?
99.9% different
73% different
0.1% different
no differences between two people
Which sample would be the MOST useful in identifying a person?
a soil sample
a hair sample
a page of a book
a piece of wood
Which is NOT a good sample to use when identifying someone?
drop of blood sample
a fingernail sample
a hair sample
a plant sample
What should a scientist do if they have a small amount of DNA they want to analyze?
Run gel electrophoresis
Do polymerase chain reaction (PCR)
Use restriction enzymes
Make a karyotype
What could a scientist use after a polymerase chain reaction (PCR) ?
karyotype
collection sample
restriction enzyme
gel electrophoresis results
What could a scientist use after they have done polymerase chain reaction (PCR) AND restriction enzymes?
karyotype
collection sample
restriction enzyme
run gel electrophoresis
Which process can turn one piece of DNA into 200 pieces of DNA?
karyotype
gel electrophoresis
polymerase chain reaction
restriction enzymes
What does PCR do?
makes copies of a sample DNA
separate DNA fragments according to size
takes a picture of someone's chromosome
cuts DNA into having sticky ends
Which process is shown in the picture?
using restriction enzymes
gel electrophoresis
polymerase chain reaction (PCR)
karyotype
Which process cuts a DNA sample into fragments?
use of restriction enzymes
karyotype
gel electrophoresis
polymerase chain reaction
Which process is shown in this picture?
polymerase chain reaction (PCR)
use of restriction enzymes
karyotyping
gel electrophoresis
Which process separates DNA based on size so that each fragment can be seen?
polymerase chain reaction
use of restriction enzymes
karyotypes
gel electrophoresis
Which process is shown?
gel electrophoresis
polymerase chain reaction (PCR)
restriction enzymes
karyotyping
Why is electricity used in gel electrophoresis?
to amplify DNA fragments
to clean DNA fragments
to separate DNA fragments
to erase DNA fragments
Why is gel electrophoresis successful in using electricity?
DNA fragments are negatively charged
DNA fragments are magnetic
DNA fragments are positively charged
DNA fragments are identical
In gel electrophoresis, small strands will ______.
travel the farthest
travel the closest
travel sometimes
always travel half way
Which suspect matches the collected evidence?
suspect 1
suspect 2
suspect 3
suspect 4
Which option is correct when analyzing a karyotype?
the Y chromosome will look smaller than the X
the Y and X chromosomes appear to be the same size
the X will be very different sizes
Which technique makes and image of all of a person's chromosomes?
PCR
karyotyping
gel electrophoresis
use of restriction enzymes
Which BEST describes the image ?
use of restriction enzymes
PCR
gel electrophoresis
karyotype
