Forensic DNA Profiling

What is the unique pattern of DNA sequences that can be used for identification in forensic science and paternity testing?

• DNA Fingerprint

• Random DNA Sequence

• DNA Sequencer

• DNA Fragments

Which laboratory technique is used to amplify specific DNA sequences, creating millions of copies for analysis in forensic, medical, and genetic research?

• Polymerase Chain Reaction (PCR)

• Gel Electrophoresis

• DNA Sequencing

• CRISPR-Cas9

What are repeating sequences of 2–6 base pairs in DNA that are used in forensic DNA profiling due to their high variability among individuals?

• Short Tandem Repeats (STR)

• Long Tandem Repeats (LTR)

• Small Tandem Repeats (STR)

• Lingering Tandem Repeats (LTR)

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-3

This is a laboratory technique used to separate DNA, RNA, or proteins based on size and charge by applying an electric current through a gel. What is this technique called?

• Chromatography

• Electrophoresis

• Centrifugation

• Spectroscopy

Which suspect is linked to the crime scene by this DNA analysis

• Suspect A

• Suspect C

• Suspect D

• Suspect B

Tags

NGSS.HS-LS3-1

Based on these results whose blood was found in the blood stain at the crime scene?

• Bob

• Sue

• John

• Lisa

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What protein cuts DNA at specific sequences and is used in genetic engineering and forensic analysis?

• Restriction Enzyme

• DNA Polymerase

• Ligase

• Helicase

What is the name of the national DNA database used by law enforcement to store and compare DNA profiles for criminal investigations and missing person cases?

• National DNA Database

• Federal DNA Database

• Combined DNA Index System

• Law Enforcement DNA Database

What is the main purpose of DNA profiling in forensic science?

• To identify a person’s blood type

• To determine the age of a suspect

• To match DNA evidence to a suspect or victim

• To analyze hair color

Which of the following is a potential risk when using DNA profiling in criminal investigations?

• It's always accurate

• It can be used to identify family relationships

• It may lead to privacy concerns

• It's too slow to be useful