Forensic DNA

Refer to the figure, the process A called ______ , and the suspect number ____ is the criminal.

• gel electrophoresis / 1

• slicing DNA / 2

• DNA replication / 1

• gel electrophoresis / 2

________ _______ can be thought of as highly specialized scissors that cut a DNA molecule when it recognizes a specific sequence of bases.

• digestive enzymes

• histolic enzymes

• restriction enzymes

• none of the above is correct

Who invented the process of DNA fingerprinting?

• Jeffreys

• Dawson

• Roseland

• Crick

The computerized database used to store DNA information is: 

• AFIS

• NIBIN

• CODIS

• PDQ

Pattern of DNA fragments obtained by examining a person's unique sequence of DNA base pairs is?

• PCR

• Chromosome

• Electrophoresis

• DNA Fingerprinting

Mr. Jones was killed in a car accident.  Afterwards, a former girlfriend filed a paternity suit claiming that Mr. Jones was the father of her child, and thus she was entitled to the man’s estate.  Which sample of DNA would have to be from Mr. Jones if he were the child’s father? 

• 2

• 3

• 4

• 5

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A boy moves to another country to live with his father.  Years later, the boy decides to move back to live with the woman who raised him.  Immigration officials suspected that the boy was the woman’s nephew, not her son, and therefore not legally entitled to residency.  Based on the DNA fragments, is it possible that she is the boy’s mother?

• Yes

• No

Tags

NGSS.HS-LS3-1

Bob was found dead in his home.  Crime scene analysis showed signs of a struggle.  Blood was collected from the crime scene, the victim, and three suspects.  Which suspect likely committed the crime? 

• Sue

• Lisa

• John

• None of these

Tags

NGSS.MS-PS1-2

At a particular STR locus on a person's chromosomes, if they have 2 DIFFERENT lengths of the STR repeat, how is it calculated for frequency? The multiplication process is:

• 2x (1st # of repeats x 2nd # of repeats)

• 2x (# of repeats)

• 2x (# of repeats²)

• (# of repeats²)

Tags

NGSS.HS-LS3-3

This is a technique for separating molecules (in this case, DNA fragments) based on their size.

• PCR (Polymerase Chain Reaction)

• STR (Short Tandem Repeats)

• electrophoresis

• exemplifying