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DNA Evidence & Vocab Review

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

The DNA in a person's blood is the same as the DNA in his/her skin cells and saliva.

a)

True

b)

False

2.

What type of evidence is DNA?

a)

Class

b)

Trace

c)

Individual

d)

Direct

3.

Biological evidence should be

a)

stored in air-tight containers

b)

frozen using liquid nitrogen

c)

packaged as quickly as possible

d)

put into breathable containers

4.

What does CODIS stand for?

a)

Crazy Old Dogs Intimidate Snakes

b)

Convicted Offender DNA Index System

c)

Combined DNA Index System

d)

Cameron Occasionally Dreams Instead of Studying

5.

Who is credited for discovering DNA fingerprinting?

a)

Watson & Crick

b)

Edmond Locard

c)

Rosalind Franklin

d)

Alec Jeffreys

6.
A method of separating DNA fragments according to their size and charge using an electric current passed through a gel containing the samples a
a)
Chromosome
b)
DNA Probe
c)
Electrophoresis
d)
Restriction Enzyme
7.

This process uses short repeating sections of DNA to identify an individual.

a)

Gel Electrophoresis

b)

PCR

c)

STR Analysis

d)

RFLP Analysis

8.

Type of DNA that varies most among individuals and is used to create DNA fingerprints.

a)

non-coding DNA

b)

coding DNA

c)

Deoxyribose

d)

hydrogen bonds

9.

Pattern of DNA fragments obtained by examining a person's unique sequence of DNA pairs.

a)

DNA Fingerprint

b)

Allele

c)

Chromosome

d)

Fingerprint

10.

Prior to the 1980s, DNA technology was not a available to provide information to crime scene investigators.

a)

True

b)

False

11.

The process of DNA Fingerprinting is based on the fact that

a)

everyone has the exact same DNA.

b)

no 2 people, except identical twins, have exactly the same DNA as someone else.

c)

most genes are dominant.

d)

None of the other answer choices are correct.

12.

____ are repeating base sequences that are unique to individuals and useful in Forensic Science.

a)

polymorphisms

b)

exons

c)

bands

d)

tandems

13.
The segment of a chromosome that contains the information used to produce a protein is a(n):
a)
Intron      
b)
DNA probe
c)
Gene
d)
Exon
14.

Most of our DNA consists of regions that do not code for any proteins.

a)

True

b)

False

15.
A _______ swab is used to collect a DNA sample from a cheek.
a)
buttal
b)
buccal
c)
Q-tip
d)
DNA stick
16.

Your DNA fingerprint changes throughout your lifetime

a)

True

b)

False

17.

Your DNA fingerprint is:

a)

the same as your fingerprints

b)

appears as a unique series of fragments

18.

How many pairs of chromosomes do humans have?

a)

1

b)

16

c)

23

d)

46

19.

The shape of DNA is best described as :

a)

a twisty

b)

a ladder

c)

a double helix

d)

a spiral

20.

The STR segments on your DNA are inherited from your parents. So for each STR segment you have __ alleles.

a)

1

b)

2

c)

3

d)

4