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Slide 2 1 Who am I? Slide 3 2 Slide 4 3 Widows Peak Tongue Rolling Dimples Earlobes Color Vision (next slide) Freckles Mid-digital Finger Hair (not shown) Cleft Chin Some human traits Slide 5 4 Red-green color blindness (recessive, x) Slide 6 5 Still not sure? Here are some more examples. Slide 7 6 Slide 8 7 Slide 9 8 Extra Questions for Discussion: 1 In this class, who do you think you are genetically most similar to? Why? Slide 10 9 Extra Questions for Discussion: 2. If a person has free earlobes, it is impossible to predict his or her exact genotype. Why is this? Slide 11 10 3. Look at classmates results for all traits. Do most students have dominant traits, recessive traits, or an approximately equal mix of dominant and recessive? Why do you think this is? Do the data from this lab support your answer to question #1? Slide 12 11 4. Do the data from this lab support your answer to question #1? Slide 13 12 5. Does it really matter which traits you have? Why or why not? Slide 14 13 E. Do any of these traits matter? In other words, can you achieve your goals with the genes you have? Slide 15