Forensic DNA Vocabulary

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 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 for a piece of DNA generated by cutting a larger DNA molecule with a restriction enzyme, often analyzed in DNA fingerprinting?

• Restriction Fragment

• DNA Ligase

• Polymerase Chain Reaction

• Gel Electrophoresis

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)

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

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 polymerase chain reaction (PCR)?

• A technique for replicating small quantities of DNA

• A method for sequencing proteins

• A process for synthesizing carbohydrates

• A technique for breaking down lipids

What are restriction fragment length polymorphisms (RFLP)?

• Length differences in DNA strands used in DNA identification processes

• Variations in protein sequences

• Differences in lipid structures

• Variations in carbohydrate chains

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the term for the unique pattern of DNA sequences used for identification in forensic science?

• DNA Fingerprint

• Random DNA Sequence

• DNA Sequencer

• DNA Fragments