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

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Presentation transcript:

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… Genes Allele Heredity 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

VideoVideo #2 VideoVideo #1

Blood-Typing Experiment

Case Study: Food Forensics 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

Related Professions Bobby Yanagawa (MD/PhD), Cardiac Surgeon What I do: Operate on patients and do research to understand why people get heart disease and how to best treat them Best part of job: I feel privileged that patients trust us to do our best to help them live longer and better lives.

Related Professions Carey Larsson (MSc), Defence Scientist What I do: Nuclear and radiological forensics Best part of job: There’s always a lot of variation and travel for international collaborations. Working with the police is very exciting. Work is rewarding as it improves Canadian security.

Related Professions Melody Montgomery (Postgraduate Diploma), Clinical Genetics Technologist What I do: Medical laboratory testing to diagnose a variety of conditions with a genetic basis. Best part of job: Detecting what causes a person’s disease since each patient is unique and some cases are very complex.

Questions?

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