Lab report crime scene investigation

Anonymous
timer Asked: Nov 20th, 2018
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Question description

Hi I need lab report crime scene investigation It must include

Title

Objectives

Introduction

Procedure

Materials

Results

Discussion

Conclusion.

thank you



Lab report crime scene investigation
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Lab report crime scene investigation
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Lab report crime scene investigation
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Lab report crime scene investigation
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Lab report crime scene investigation
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Tutor Answer

ACADEMICARSENAL
School: Cornell University

Attached.

1

Student’s name
Professor’s name

Course code
23rd November, 2018

2

Crime scene Investigation

Objectives

-

Distinguishing blood types

Introduction

DNA (DeoxyriboNucleic Acid) is within our genetic material. It is found in all living organisms
from bacteria to humans. DNA is replicated before mitosis and repaired when damaged. The
DNA that we have comes from our parents, and leads to the genes present in all our cells. The
DNA in cells is transcribed to mRNA, which is translated to proteins needed. Cells are present in
fluids left at crime scenes, and most contain DNA. DNA is found in blood, semen, skin cells,
muscle, brain cells, bone teeth, hair, saliva, mucus, perspiration, fingernails, urine, and feces.
DNA is also useful for parentage testing and archeological remains testing. The amount of DNA
present depends on the fluid left behind.

At crim scenes, DNA is used to vindicate or incriminate suspects.

Pre-lab questions

1. Which chapters in your book relate to this lab?
2. What are the independent and dependent variables?

An independent variable is that which does not changes in the experiment. In this case, the
independent variable was the blood type of the people what was tested. The dependent variables
were the blood typs which change depending on the blood that is tested.

3

3. Do all our cells have the same DNA?

All our cells do not have the same DNA. Our DNA is unique and mostly dependent on
inheritance from our parents.

4. What parts of DNA are used for parental tests and why?
5. Which other tests can be used for blood? Which other tests can be used for saliva

Procedure

Materials

Results

Table 1: Predictions

Sample

Blood Type

B-

Anti-A Serum
Reaction
Predictions for
Clumping
(Yes/No)
Yes

Anti-B Serum
Reaction
Predictions for
Clumping
(Yes/No)
No

Anti-D Serum
Reaction
Predictions for
Clumping
(Yes/No)
Yes

Crime scene
Sample 1
Crime scene
Sample 2
Nina
Joseph

AB+

No

No

Yes

O+
A-

Yes
Yes

Yes
Yes

No
No

4

Table 2: Results From Blood Typing Test 1
Suspect Sample

1(Joseph)
2(Chris)
3(Lisa)
4(Thomas)

Anti-A Serum
Reaction
Predictions for
Clumping
(Y...

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Review

Anonymous
Awesome! Exactly what I wanted.

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