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Forensic DNA Profile

Total questions: 22

Worksheet time: 25mins

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.

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)

3.

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

a)

ribosomes

b)

endoplasmic reticulum

c)

mitochondria

d)

golgi apparatus

4.

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

5.

The FBI database that stores DNA profiles

a)

CODIS

b)

AFIS

c)

STRATUS

d)

FEDDNA

6.

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

a)

shortest

b)

longest

7.

DNA is ______ evidence.

a)

class

b)

individual

c)

transient

d)

conditional

8.

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

a)

Allele

b)

Chromosome

c)

DNA

9.

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

10.

Except for identical twins, no two people on earth have the same:

a)

blood group

b)

skeletal type

c)

DNA

d)

physical characteristics

11.

mtDNA is used to trace ancestry through the female line.

a)

true

b)

false

12.

Humans share common ancestors. Therefore the DNA STR profile of all humans is the same.

a)

true

b)

false

13.

What is a DNA Fingerprint?

a)

a method of identification that is able to determine the DNA pattern

b)

The carrier of genetic information.

c)

A real fingerprint.

14.

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

a)

suspect 1

b)

suspect 2

c)

suspect 3

d)

survivor

e)

none of the people listed

15.
Based on these results whose blood was found in the blood stain at the crime scene?
a)
Bob
b)
Sue
c)
John
d)
Lisa
16.
Which suspect is likely guilty?
a)
Suspect #1
b)
Suspect #2
c)
Suspect #3
17.

Which two bear species are most closely related?

a)

Bear 1 and Bear 2

b)

Bear 1 and Bear 3

c)

Bear 2 and Bear 3

d)
There’s no way to tell
18.
Which man is the father of this baby?
a)
Father 1
b)
Father 2
c)
Father 3
d)
None of them
19.
DNA is recovered from a suspected dead soldier.  Which Parents are the likely parents of the soldier?
a)
Parents C and D
b)
Parents E and F
c)
Parents A and B
d)
Parents G and H
20.
What are the possible genotypes for this cross?
(Click the picture to see it without the text)
a)
TT = 25% Tt= 50% tt=25%
b)
all tall
c)
TT= 75% tt = 25%
d)
Tt = 100%
21.
What is the dominant trait?
a)
yellow pea seeds
b)
green pea seeds
c)
there is no dominant seed
d)
Jolly green giant
22.

What are the phenotype percentages of the offspring?

(A-Brown fur color; a-white fur color)

a)

50 % Brown fur and 50% White fur

b)

25 % Brown fur and 75% White fur

c)

75 % Brown fur and 25% White fur

d)

0% Brown fur and 100% White fur