WorksheetsDNA Profiling
Total questions: 20
Worksheet time: 10mins
In DNA, the nitrogenous base Adenine will always bond with
Cytosine
Adenine
Thymine
Guanine
If guanine makes up 19% of the nucleotides in a sample of DNA from an organism, then cytosine would make up _____ percent of the bases.
19%
62%
31%
DNA can be collected from all of the following except
Skin
Blood
Hair with Follicle
Hair without Follicle
How will the following nucleotides pair?
ACCTGATGGAC
(a)
What does CODIS Stand for?
Combined DNA Index System
Combined DNA Information System
Covert DNA Index System
Contribution DNA Index System
What process is used to separate fragments of DNA?
Restriction mapping
Polymerase chain reaction
Sanger sequencing
Gel electrophoresis
What size DNA fragments travel through the gel the fastest?
Larger fragments
Smaller fragments
Medium-sized fragments
What can be determined about the DNA in bands I and II?
Band I contains a longer DNA sequence than band II.
The DNA bands have the same DNA sequence
The DNA bands are the same size
Band II contains a longer DNA sequence than band I.
What percentage of the child DNA came from the mother?
100%
75%
50%
25%
sequence of repeating bases in the non-coding regions of DNA that are used in DNA profiling
STR (Short Tandem Repeat)
PCR (Polymerase Chain Reaction)
VNTR (Variable number of Tandem Repeats)
According to the dna evidence, which suspect left DNA at the crime scene?
suspect 1
suspect 2
suspect 3
none of the suspects
The FBI database that stores DNA profiles
CODIS
AFIS
STRATUS
FEDDNA
A section of DNA that codes for a specific trait.
allele
gene
chromosome
trascript
In this DNA fingerprint, the _______ pieces travel the farthest. (blue)
shortest
longest
DNA is ______ evidence.
class
individual
transient
conditional
Alternate forms of a trait (the possibilities) are called
alleles
loci
exons
chromosomes
What is the STR in the following strand of DNA? AGTCAAGCTCGCTCGCTCGCTCAAT
GCTC
CTCA
AGCT
AGTC
DNA profiling uses what part of DNA
coding region
non-coding
What does PCR mean?
polymerase chain restoration
polymerase chain reaction
polymerase copying reactions
polymerase copied repeats
Amplifies or makes numerous copies
electrophoresis
wells
micropipette
PCR
