Question

Forensics Blood Typing Imagine you are a CSI detective. You have just arrived at a house that someone had broken in through a glass door. The intruder cut himself with the broken glass and some blood was left behind on the crime scene. You have collected blood samples from the crime scene. The police have called you because they have 3 suspects in custody. The chief investigator has asked you to help him to narrow down suspects using blood typing. LO 1. Record your results of the blood typing done by you in the diagram below.

Answer 1

answer 1

results are

B AB, CS 51 S2 53 17 Anti A O Anti B ОООО 2. What are the ABO blood types of the crime scene collected blood and the three suspects' blood? 3. Based on your observation, which of the three suspects would you conclude might have left the blood stain at the crime scene? 4. What next steps would you take to confirm the suspect's identity?

a	b	AB	O	cs	s1	s2	s3
A	B	AB	O	A	O	A	B

ANSWE 2

BLOOD GROUP OF CRIME SUSPECT IS A

AND S1 - O

S2 - A

S3 - B

ANSWER 3 SUSPECT 2 HAVE LEFT THE STAIN

ANSWER 4

RH FACTOR OF BLOOD GROUP

SIGN OF INJURY