Mouths are quiet . Homework in your folder . Begin the quick review section of your notes.

1. Mouths are quiet. Homework in your folder. Begin the quickreviewsection of your notes. Raise your handif you need something.

2. Quick Review 1. Substances started out with before a chemical reaction occurs = reactants 2. Substances produced by a chemical reaction = product 3. The Law of Conservation of Mass = matter cannot be createdor destroyed, it only changes from one for to another.

3. Quick Review 4. When oxygen combines with iron, rust forms. If 100 grams of iron combines with 43 grams of oxygen, how much rust will form? 143 grams 5. Is the following chemical equation balanced? Why or why not? C4H8 + 5O2 → 3CO2 + 4H2O The chemical equation is not balanced because there are four carbon atoms in the reactants and only three in the products.

4. Ecosystems and Adaptations Lesson 6.13 – Risks of Biotechnology

5. I can define and recognize examples of cloning. I can identify reasons why research in selective breeding and genetic engineering can be negative. (3f) 1. Cloningtakes the DNA of a living organism and puts it into an eggcell. This egg cell is put into a female where it will develop into a fetus and eventually be born like a traditional baby. This organism has identicalDNAto the DNA donor. 2. You may be asked to find an idea that supports an argumentagainstbiotechnology meaning you should pick the negativething caused by the changesto the organism.

6. I can define and recognize examples of cloning. I can identify reasons why research in selective breeding and genetic engineering can be negative. (3f) Gene for Breast Cancer 3. There is a new field in science called bioethicsthat looks at advances in biotechnology to determine if it is ethical(rightor wrong). 4. Humans a. Since the human genome has been mapped, some people worry that informationabout peoples’ genes might be used againstthemby an employeror an insurancecompany. There is a law called GINA(the genetic information nondiscrimination act) that is in place to prevent this discrimination. GINA GINA Loss of Insurance Fired from Job

7. I can define and recognize examples of cloning. I can identify reasons why research in selective breeding and genetic engineering can be negative. (3f) b. Some worry that doctors and scientists may begin changing the genes of offspring to make them look a certain way, often called “designerbabies”. c. Some worry about enemiesusing biotechnology to create newvirusesor bacteriafor use as weapons(bioweapons) that cannot be treated easily.

8. I can define and recognize examples of cloning. I can identify reasons why research in selective breeding and genetic engineering can be negative. (3f) 5. Plants a. Plants are genetically modified (GM) to resistsome herbicides. If corn is made resistant, it would be harderfor a cottonfarmerto kill corn plants in his or her fields. b. GM plants may harmthe organismsthat needthemto survive. This can change the way an ecosystemworks causing unexpected consequences. Humans may also be allergicto GM plantproducts.

9. I can define and recognize examples of cloning. I can identify reasons why research in selective breeding and genetic engineering can be negative. (3f) b. If all farmers begin using the sametypeof GM seeds for cotton and there is a problemwith this seed, all the farmers would lose their crop that season.

10. Guided Practice WORK WITH US…NOT AHEAD OF US!

11. I can define and recognize examples of cloning. I can identify reasons why research in selective breeding and genetic engineering can be negative. (3f) • Video

12. I can define and recognize examples of selective breeding and genetic engineering. (3f) Designer Babies: The Pros and Cons of Genetic Engineering Yin Ren – Massachusetts Institute of Technology respect Show to your classmates Don’t or atanyone if they make a mistake. Follow along with your Pause = and put your down. Ranked #3 Best University in the WORLD laugh correct finger STOP finger

13. I can define and recognize examples of cloning. I can identify reasons why research in selective breeding and genetic engineering can be negative. (3f) • Discussion Questions Rules • Show to your classmates and their ideas. • Raise your and wait to be called on. • Assume best intentions. respect hand

14. I can define and recognize examples of cloning. I can identify reasons why research in selective breeding and genetic engineering can be negative. (3f) • Discussion Questions • If given the choice, would you genetically engineer your children? If so, why and how? If not, why not? • If someone is genetically engineered, should they be allowed to compete in amateur or professional sports? What about someone with a prosthesis?

15. Exit Ticket (5 Questions)

16. 1. Which of these is NOT true of a cloned organism? Produced in a laboratory. Has DNA from two parents. Has identical DNA to a donor. Is made by modifying an egg cell.

17. 2. Scientists found an organism that can live without water for long periods of time. The scientists made copies of its DNA, then injected this new DNA into corn. Which of these describes the process the scientists used? Cloning Selective breeding Genetic engineering Asexual reproduction

18. 3. Certain disorders, such as sickle cell anemia, are linked to specific genes. Some scientists would like to use gene therapy to cure such disorders. Gene therapy involves replacing the nonworking cells with cells that have been genetically altered. Which of these is a logical argument against gene therapy? Changing one gene may negatively affect other genes. Changing one gene may lead to the formation of a new species. Scientists may not be able to distinguish one gene from another. Drugs may already exist to cure these diseases, so there is no need for risky therapy.

19. 4. A bacterium, Bacillus thuringiensis (Bt), makes a toxin that destroys the larvae of insects that threaten corn crops. Scientists engineered corn plants, known as Bt-corn. Bt-corn can make a toxin to destroy the larvae that eat the corn. Which of these supports the argument to stop production of genetically engineered Bt-corn? Bt-corn plants use much less pesticide than unmodified corn plants. Bt-corn kernels may attract unwanted animals that can damage the crop, such as crows. Bt-corn pollen may harm helpful insects that pollinate the corn, such as bees. Bt-corn seed is more expensive than unmodified corn seed.