Bellringer Review your notes from last class/Study for your Chapter 13 Vocab quiz. Note: Your Chapter 13 Quiz will take place the first 10 Minutes of class on MONDAY, 2/22/10. MAKE SURE YOU’RE ON TIME. Take out your Chapter 13 Vocabulary. I will go around and check your Chapter 13 when the bell rings. We will do a Quick Word Splash. Put It In Your Journal

1. Word Spalsh Allowing animals with certain traits to breed to produce a desired offspring. You are going to pick traits You are going to breed the traits you picked.

2. Word Splash Crossing dissimilar individuals to bring together the best of both organisms. Luther Burbank did this process Burbank make a disease resistant potated using this process

3. Word Splash Having a multiple of the normal chromosome number Plants work better when they have this Instead of 9 Chromosomes, there could be 18, 27, etc.

4. Word Splash The controlled breeding of closely related organisms We get pure bred dogs from this There are both positive and negative effects when this process is done.

5. Word Splash Placing a mixture of DNA into a gel and applying an electric current. DNA is then separated according to size. You will be doing a Virtual Lab on this Today

6. Word Splash Used to make multiple copies of a segment of DNA or gene Developed by Kary Mullis After only 6 copies, you can have up to 64 DNA segments

7. Word Splash When a cell (usually a bacteria) takes in DNA from outside the cell Example: Griffith’s rats

8. Word Splash A small circular molecule of DNA It often has a DNA sequence that serves as an origin of replication Contain genetic markers

9. Word Splash When organisms contains genes from other organisms. Example: A tobacco plant that contains DNA from a firefly Example: Cows that produce human proteins in their milk

10. Word Splash A member of a population of genetically identical cells produced from a single cell. Dolly, the sheep Can solve the problem of endangered species The new organism can have more defects that the original organism

Gel Electrophoresis Virtual Lab Take out a sheet of paper Go to: Follow the instructions by reading the yellow box and clicking Forward when instructed to do so. Write a lab report with Problem, Hypothesis, Procedures, Materials, Results, Conclusion (Turn This In As You Are Walking out Of Class) – Use the small sheets that I provided to you to completed the lab report.