1. Genetics Tutorial Always click the green arrow to advance to the next slide Teresita A. Powell Tec 551 Module 6

3. The work began with Gregor Mendel, a priest in a central European monastery, who bred pea plants for over ten years. Mendel observed the results of traits such as height, color, and seed and pod shapeFather of Genetics

4. Vocabulary to know 1. Alleles Different forms of a gene 2. Gene Factors that control traits 3. Dominate allele A trait that is always expressed 4. Recessive allele A trait that is masked 5. Hybrid Offspring has 2 different traits 6. Purebred Offspring ‘s trait is the same as the parent 7. Phenotype An organism's physical appearance 8. Genotype An organism’s genetic makeup 9. Homozygous Genotypes made of the same alleles 10. Heterozygous Genotypes made of 2 different alleles ENTER

5. Play Time! Click here to play the Genetics Matching game!! Click here to play Concentration with our vocabulary

6. Vocabulary Quiz Mrs. Powell Genetics Vocabulary Quiz

7. What did Mendel study in his experiments?

8. X Parents Crossed tall and short plants - Cross Pollination - Mendel’s Experiment

9. Short seemed to disappear Tall Tall Tall Tall (F1) 1st Generation Outcome:

10. Tall 2nd Experiment - Self-Pollination - Pollin & Egg from same plant

11. Short reappears Tall Short Tall Tall (F2) 2nd Generation Outcome

12. Interpreting Punnett Squares What is the probability of getting a homozygous outcome? T t T T T T t 2/4 = 1/2 1:2 50% T t t t t

13. Play Video Click here to move to the next slide after the movie.

14. Punnett Square Practice Black fur (B) is dominant over white fur (b) in guinea pigs. Cross a homozygous black and a heterozygous black.

16. How many offspring are homozygous for hair color?

19. How many offspring are heterozygous for hair color?

22. How many offspring are heterozygous for seed shape?