Forensics 6-7 Quiz

Ms. Hull is a gem for sending us the questions

What year was the earliest record of studying for fingerprints?

1684

How many distinct fingerprint patterns were described in 1823 by Jan Evangelist Purkyn?

9

Who noted that the arrangement of skin ridges is never duplicated in two persons?

Johann Christoph Andreas Mayer

How long has DNA evidence been used to investigate crimes, establish paternity, and identify victims of war crimes?

Since the 1980s

Who created the ten card and in what year?

Sir Edmund Richard Henry in 1896

What is another term for fingerprints?

ridge patterns

What do secretions consist of in fingerprints?

sweat glands; mainly water, oils, and salts

What layer of the epidermis are fingerprints created?

Basal layer

What type of structure does DNA form?

Double helix

What is different about mitochondria?

Has it’s own DNA inherited only from the mother

What are the four types of nitrogenous bases?

Adenine, Cytosine, Guanine, Thymine

Alleles

One of two or more alternative forms of a gene

What are unique ridge patterns called?

Minutiae

What are patent fingerprints?

visible prints left on a smooth surface when liquid comes in contact with the hands and is transferred onto that surface

What is a Polymerase Chain Reaction (PCR)?

Method used to rapidly make multiple copies of a specific segment of DNA

What is DNA fingerprinting (profiling)?

used to determine identity or parentage

What does the Integrated Automated Fingerprint System do?

digitally analyzes fingerprints and find matches in a short amount of time

What is tissue matching and when is it used?

When two samples have the same band pattern and are from the same person; It’s used when the DNA fingerprint from crime-scene evidence matches the DNA fingerprint from a suspect

Why are STR’s becoming the preferred method of analysis?

It has better accuracy and its small and partially degraded DNA samples may be analyzed to identify individuals

What is the complimentary strand?  CGTCTAGCACT

GCAGATCGTGA