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DNA Profiling Overview

Total questions: 24

Worksheet time: 15mins

Name
Class
Date
1.

A technique used to identify a person based on analysis of their genetic code.

a)

DNA Fingerprinting

b)

SNP

c)

CODIS

d)

PCR

2.

the backbone of DNA is composed of alternating sugars and

a)

nitrogen-containing bases

b)

nucleic acid

c)

phosphates

d)

hydrogen bonds

3.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
4.

A method used to rapidly make multiple copies of a specific segment of DNA.

a)

PCR (Polymerse Chain Reaction)

b)

Electrophoresis

c)

DNA Probe

5.

sequence of repeating bases in the non-coding regions of DNA that are used in DNA profiling

a)

STR (Short Tandem Repeat)

b)

PCR (Polymerase Chain Reaction)

c)

VNTR (Variable number of Tandem Repeats)

6.

Parts of the cell where DNA can be found: nucleus and

a)

ribosomes

b)

endoplasmic reticulum

c)

mitochondria

d)

golgi apparatus

7.

According to the dna evidence, which suspect left DNA at the crime scene?

a)

suspect 1

b)

suspect 2

c)

suspect 3

d)

none of the suspects

8.

The FBI database that stores DNA profiles

a)

CODIS

b)

AFIS

c)

STRATUS

d)

FEDDNA

9.

A section of DNA that codes for a specific trait.

a)

allele

b)

gene

c)

chromosome

d)

trascript

10.

In this DNA fingerprint, the _______ pieces travel the farthest. (blue)

a)

shortest

b)

longest

11.

DNA is ______ evidence.

a)

class

b)

individual

c)

transient

d)

conditional

12.

Alternate forms of a trait (the possibilities) are called

a)

alleles

b)

loci

c)

exons

d)

chromosomes

13.

A cell structure that contains genetic information along strands of DNA.

a)

Allele

b)

Chromosome

c)

DNA

14.

A method of separating molecules, such as DNA, according to their size and electrical charge.

a)

STR Analysis

b)

DNA Fingerprint

c)

DNA Probe

d)

Gel Electrophoresis

15.

Which term is defined as all the DNA found in a cell?

a)

karyotpe

b)

DNA profiling

c)

genome

d)

haplotype

16.

What is the STR in the following strand of DNA? AGTCAAGCTCGCTCGCTCGCTCAAT

a)

GCTC

b)

CTCA

c)

AGCT

d)

AGTC

17.

What term is given to the coding region of DNA?

a)

autosomes

b)

exons

c)

introns

d)

proteins

18.

If one parent has the alleles (4,8) and the other parent's alleles are (7,12) what are the possible genotype combinations their child could inherit?

a)

4,8

b)

4,7

c)

8,7

d)

4,12

e)

8,12

19.

What term describes when a child inherits the same allele from both parents (5,5)

a)

homozygous

b)

heterozygous

c)

homogeneous

d)

heterogeneous

20.

What is the name of the graphic display that results from STR analysis?

a)

karyotype

b)

PCR

c)

electrophoresis

d)

electropherogram

21.

On an electropherogram, alleles are represented by...

a)

peaks on a graph

b)

letters like AA or Aa

c)

blue dots on a test strip

d)

band on an autorad

22.

If there is only one allele (one peak) on the electropherogram for a particular locus, what does that tell you about the genotype?

a)

the genotype is heterozygous

b)

the genotype is codominant

c)

the genotype is homozygous

d)

the person did not inherit any allesl for that STR loci

23.

At which locus is this individual heterozygous? (check all that apply)

a)

D3S1358

b)

vWA

c)

D16S539

d)

CSF-1PO

e)

TPOX

24.

At which locus is this individual homozygous? (check any that apply)

a)

D3S1358

b)

vWA

c)

D16S539

d)

CSF-1PO

e)

TPOX