BellringerReview 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:

http://learn.genetics.utah.edu/content/labs/gel/• 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.