Ch. 23 Quiz Flashcards
Which type of body fluid can be analyzed?
All of the above
- semen
- blood
- urine
- tears
In the ABO blood group, how many alleles are present in the population?
3
Which one of the following statements about ABO blood grouping is NOT correct?
A person with AB blood type is the universal donor
Which of the following techniques is NOT involved in the identification of DNA at crime scenes against possible suspects?
Western blot
Which one of the following is NOT a step in DNA fingerprinting?
A cDNA copy of the mRNA is made
Why have MLP methods been displaced by SLP methods?
All of the above
- interpretation is difficult since it is unknown which band corresponds with which locus
- in order to make comparisons, fingerprints from MLP must be run on the same gel
- it is difficult to store the data from MLP methods in a database
- statistical analysis of MLP is difficult to obtain
What is a problem associated with using VNTPs to identify persons of interest in criminal cases?
Multiple tandem repeats create densely packed bands during agarose gel electrophoresis, so other separation methods must be used
What is the major difference between DNA fingerprinting and PCR?
DNA fingerprinting looks for difference in sizes, whereas PCR tests for the presence or absence of specific regions
Which of the following terms describes running several PCR reactions simultaneously in one tube?
Multiplex PCR
When close relatives are suspects, what happens to the probability of a match during DNA testing?
The probability increases
What has been the main impact of DNA technology on the criminal justice system?
Greater certainty when matching crime scene DNA with suspect DNA
How have mitochondrial DNA sequences been used?
To derive family ancestries
What method was used to identify the remains of the Russian imperial family?
Mitochondrial DNA sequencing
