TECHNIQUE USED TO IDENTIFY INDIVIDUALS BY THEIR BLOOD TYPE Blood-Typing

TECHNIQUE USED TO IDENTIFY INDIVIDUALS BY THEIR BLOOD TYPE

Blood-Typing

The Importance of Blood-Typing

Crime Scene Investigation& Forensics

Medical Tests

Learning Objectives

At the end of this lesson, you will be able to…

(1)Describe blood antigens and their inheritance

(2)Perform a blood-typing experiment

(3)Solve a problem by analyzing results of the blood-typing experiment

(4)Determine the answer to a case study problem by analyzing gel electrophoresis results

What are…Gene

sAlleleHeredit

y Diploid

Multiple Alleles

Some genes have multiple alleles (more than 2)

Alleles can be Dominant ; represented by capitalized letter (A) Recessive (a)

ABO Blood Groups

ABO Blood Groups

Video #2http://www.youtube.com/watch?v=lrYlZJiuf18

Video #1http://www.youtube.com/watch?v=Ys_V6FcYD5I

Blood-Typing Experiment

Case Study: Food Forensics

http://www.genomicseducation.ca/educationResources/activities/food_forensics.asp

Mary and Jake are suffering from Salmonella food poisoning.

To determine which food poisoned them, they have performed gel electrophoresis and obtained:

(1)DNA fingerprints of Salmonella strains isolated from Mary and Jake

(2)DNA fingerprints of all food products containing Salmonella from their refrigerators

(3)DNA fingerprints from the Salmonella strain database

Summary

Crime Scene Investigation& Forensics

Medical Tests

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Questions?

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