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Chapter 7 - Forensics - DNA Profiling Vocabulary

Total questions: 16

Worksheet time: 43mins

Name
Class
Date
1.

What is the term for a variant form of a gene found at a specific location on a chromosome that can result in different traits?

a)

Allele

b)

Chromosome

c)

Gene

d)

Trait

2.

What structure in a cell carries genetic information and consists of DNA and proteins, typically organized in pairs?

a)

Nucleus

b)

Chromosome

c)

Ribosome

d)

Mitochondria

3.

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

a)

DNA Fingerprint

b)

Random DNA Sequence

c)

DNA Sequencer

d)

DNA Fragments

4.

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?

a)

Chromatography

b)

Electrophoresis

c)

Centrifugation

d)

Spectroscopy

5.

What is the name for the coding region of a gene that is transcribed into mRNA and translated into a protein?

a)

Intron

b)

Exon

c)

Promoter

d)

Terminator

6.

What is the term for a segment of DNA that contains instructions for making a protein or RNA molecule, influencing specific traits in an organism?

a)

Gene

b)

Chromosome

c)

Nucleotide

d)

Genome

7.

What is the name for the non-coding region of a gene that is transcribed into RNA but removed before translation?

a)

Exon

b)

Intron

c)

Codon

d)

Promoter

8.

What is the term for the complete set of chromosomes in an individual, typically displayed in an organized image to detect chromosomal abnormalities?

a)

Genome

b)

Karyotype

c)

Genotype

d)

Phenotype

9.

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

a)

Polymerase Chain Reaction (PCR)

b)

Gel Electrophoresis

c)

DNA Sequencing

d)

CRISPR-Cas9

10.

What is the term for a variation in DNA sequence among individuals in a population that may or may not affect traits?

a)

Mutation

b)

Polymorphism

c)

Allele

d)

Genotype

11.

What is the short sequence of nucleotides that provides a starting point for DNA synthesis during PCR and DNA replication?

a)

Primer

b)

Lipids

c)

Starter

d)

Origin Strand

12.

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

a)

Restriction Enzyme

b)

DNA Polymerase

c)

Ligase

d)

Helicase

13.

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?

a)

Restriction Fragment

b)

DNA Ligase

c)

Polymerase Chain Reaction

d)

Gel Electrophoresis

14.

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?

a)

Short Tandem Repeats (STR)

b)

Long Tandem Repeats (LTR)

c)

Small Tandem Repeats (STR)

d)

Lingering Tandem Repeats (LTR)

15.

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?

a)

National DNA Database

b)

Federal DNA Database

c)

Combined DNA Index System

d)

Law Enforcement DNA Database

16.

What term refers to the complete set of genetic material, including all genes and non-coding DNA, within an organism?

a)
Chromosome
b)
Proteome
c)
DNA sequence
d)
Genome