1. Genetic Engineering

2. Biotechnology
Use of biology for industrial or other practical purposes
DNA Fingerprinting
Genetic engineering

3. DNA Fingerprinting
A DNA fingerprint is a representation of part of your DNA
DNA fragments are separated by the process of electrophoresis
Since each individual has different DNA, we can use these for identification.
Murder and rape suspects
Paternity cases

4. DNA Electrophoresis Separates DNA fragments by size
DNA molecules are cut into pieces by restriction enzymes and move through agarose gel as electricity is applied

5. Who Did It?

6. Paternity Testing
Can you tell who the father is?

7. DNA Fingerprinting Activity
What is a DNA fingerprint?
What is a “hypervariable region?” Why are these significant to DNA fingerprinting?
How are DNA fragments separated?
Solve Case 1
Solve Case 2
Solve Case 3 (Q5 and Q6)
Do you think DNA fingerprinting should be considered valid evidence in court? Why or why not?

8. Genetic Engineering Genetic engineering is very controversial Cloning
Adding or changing genes

9. Cloning Clone- genetically identical copy of an organism
This can happen naturally in nature
Asexual reproduction
More controversial in mammals
Low success rate
Ecological concerns

10. Genetically Modified (GM) Foods
Changing an organism’s DNA to give it new traits
Transgenic organism- has one or more genes from another organism inserted into its genome
This is easily accomplished in plants

11. Bt Corn The Bt gene makes pesticide
When added to corn, Bt helps protect corn from insects
Smaller amounts of chemical pesticides needed
Food can be produced more quickly and cheaply