Forensics

Forensics scientists differ from other scientists in that:
They have a University degree
They are employed by governments
They have legal obligations to which they must conform their conduct
They use specialised lab equipment
They use forensics
The forensic DNA typing procedure that uses restriction endonucleases, electrophoresis, and Southern blotting to analyse DNA is known by the acronym:
PCR
RFLP
VNTR
STR
PM
Which of the following acronyms refers to an American computer database of DNA profiles?
CODIS
NIBIN
AFIS
FBI
CIA
In 1984, Sir Alec Jeffreys developed the first DNA profiling ('genetic fingerprinting') test. Its first use to solve a crime occurred in England. It identified Colin Pitchfork as the murderer of two young girls in Narborough in the English Midlands. In which year did this occur?
1986
1984
1987
1985
Isoenzymes are one of the five categories of conventional genetic markers.
True
False
Mitochondrial DNA is found outside the nucleus of the cell is inherited solely from the mother.
True
False
Mitochondrial DNA is found in cellular material located inside of the nucleus.
True
False
The advent of DNA technology has dramatically altered the approach forensic scientists have taken toward the individualisation of bloodstains and other biological evidence.
True
False
The discovery of the structure of DNA in 1953 was a great leap forward for forensic science. Who were awarded the Nobel Prize for this?
Crick and Turner
Crick and Holmes
Watson and Crick
Hume and Watson
DNA is stored in the white blood cell component of blood.
True
False
As a fundamental unit of heredity, genes instruct the body cells to make proteins that determine everything from hair colour to susceptibility of disease.
True
False
DNA replication was first accomplished using a technique known as polymerase chain reaction.
True
False
In the double-stranded DNA molecule, Adenine always pairs with Cytosine and Thymine with Guanine.
True
False
Facts or opinions generated or supported by the use of one or more of the forensic sciences in called:
Generation
Evidence
Forensic evidence
Application of forensic science
Forensic Science is the Science pertaining to what?
Medicine
Homicide
Law
Fingerprints
DNA
Forensic analysis which supports a statement or testimony made by an individual as known as:
Disassociation
An inclusion
An inconclusive
A corroboration
An association
Criminalistics is a forensic science discipline that involves the recognition, identification, individualisation, and then evaluation of physical evidence using methods of science.
True
False
Forensics is used in many fields other than crime. Which of these is NOT one of them?
Geology
Archeology
Astrology
Biology
The ratio of alcohol in the blood to alcohol in alveoli air is approximately:
1:2100
2100:1
1:1500
1500:1
What enzyme is involved in the breakdown of alcohol?
Glucoamylase
Alcohol dehydrogenase
Nuclease
Lactase
Lipase
Which genetic material, whose structure was determined by Watson and Crick in 1953, has become an important component in forensic identification?
Deoxyribonucleic Acid (DNA)
Transfer-Ribonucleic Acid (tRNA)
Asparagine (Asn)
Haemoglobin (Hb)
DNA is the genetic material in our cells which controls heredity and plays a large role in determining our physical characteristics. Which of the following statements is NOT true?
Red blood cells are the best source of DNA.
Only identical twins will have identical DNA.
DNA can show a person's gender but not their age or race.
Identical twins can have different fingerprints.
Current forensic DNA typing procedures analyse STR loci that are found in non-coding regions of the human genome that are known as:
HLA-DQA1
HV1 regions
HV2 regions
"Junk" DNA
None of the above
If one strand of the DNA molecule has the base sequence 5'-AAGG-3', what would be the base sequence on the other strand?
3'GCAT-5'
3'-GGAA-5'
3'-TTCC-5'
3'-CCTT-5'
3'-AAGG-5'
Leucocytes are the principal source of nuclear DNA in liquid blood.
True
False
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