1. CATALYST The CATALYST is to be done independently and silently. Answer the following questions in your notebook: TIME REMAINING: 8:00 MINUTES 1. Butterfly wings can be yellow, blue, or green. A green-winged butterfly mates with a yellow-winged butterfly. What % of the offspring will have blue wings? What type of inheritance pattern is shown? Step 1: list the dominant and recessive alleles Step 2: complete the phenotype/genotype table Step 3: Parents: _________ X _________ Step 4: Punnett square Step 5: What is the question asking?

2. CATALYST The CATALYST is to be done independently and silently. Answer the following questions in your notebook: TIME REMAINING: 7:00 MINUTES 1. Butterfly wings can be yellow, blue, or green. A green-winged butterfly mates with a yellow-winged butteryfly. What % of the offspring will have blue wings? What type of inheritance pattern is shown? Step 1: list the dominant and recessive alleles Step 2: complete the phenotype/genotype table Step 3: Parents: _________ X _________ Step 4: Punnett square Step 5: What is the question asking?

3. CATALYST The CATALYST is to be done independently and silently. Answer the following questions in your notebook: TIME REMAINING: 6:00 MINUTES 1. Butterfly wings can be yellow, blue, or green. A green-winged butterfly mates with a yellow-winged butterfly. What % of the offspring will have blue wings? What type of inheritance pattern is shown? Step 1: list the dominant and recessive alleles Step 2: complete the phenotype/genotype table Step 3: Parents: _________ X _________ Step 4: Punnett square Step 5: What is the question asking?

4. CATALYST The CATALYST is to be done independently and silently. Answer the following questions in your notebook: TIME REMAINING: 5:00 MINUTES 1. Butterfly wings can be yellow, blue, or green. A green-winged butterfly mates with a yellow-winged butterfly. What % of the offspring will have blue wings? What type of inheritance pattern is shown? Step 1: list the dominant and recessive alleles Step 2: complete the phenotype/genotype table Step 3: Parents: _________ X _________ Step 4: Punnett square Step 5: What is the question asking?

5. CATALYST The CATALYST is to be done independently and silently. Answer the following questions in your notebook: TIME REMAINING: 4:00 MINUTES 1. Butterfly wings can be yellow, blue, or green. A green-winged butterfly mates with a yellow-winged butteryfly. What % of the offspring with have blue wings? What type of inheritance pattern is shown? Step 1: list the dominant and recessive alleles Step 2: complete the phenotype/genotype table Step 3: Parents: _________ X _________ Step 4: Punnett square Step 5: What is the question asking?

6. CATALYST The CATALYST is to be done independently and silently. Answer the following questions in your notebook: TIME REMAINING: 3:00 MINUTES 1. Butterfly wings can be yellow, blue, or green. A green-winged butterfly mates with a yellow-winged butteryfly. What % of the offspring with have blue wings? What type of inheritance pattern is shown? Step 1: list the dominant and recessive alleles Step 2: complete the phenotype/genotype table Step 3: Parents: _________ X _________ Step 4: Punnett square Step 5: What is the question asking?

7. CATALYST The CATALYST is to be done independently and silently. Answer the following questions in your notebook: TIME REMAINING: 2:00 MINUTES 1. Butterfly wings can be yellow, blue, or green. A green-winged butterfly mates with a yellow-winged butteryfly. What % of the offspring with have blue wings? What type of inheritance pattern is shown? Step 1: list the dominant and recessive alleles Step 2: complete the phenotype/genotype table Step 3: Parents: _________ X _________ Step 4: Punnett square Step 5: What is the question asking?

8. CATALYST The CATALYST is to be done independently and silently. Answer the following questions in your notebook: TIME REMAINING: 1:00 MINUTES 1. Butterfly wings can be yellow, blue, or green. A green-winged butterfly mates with a yellow-winged butteryfly. What % of the offspring with have blue wings? What type of inheritance pattern is shown? Step 1: list the dominant and recessive alleles Step 2: complete the phenotype/genotype table Step 3: Parents: _________ X _________ Step 4: Punnett square Step 5: What is the question asking?

9. CATALYST Silently and on your own, complete the task below 2. Hemophilia is a sex-linked trait carried on the x chromosome. A female with hemophilia has children with a normal male. What percent of the females will have hemophilia? A. 50% B. 25% C. 100% D. 0% 3. What information can be gleaned from a karyotype? A. gender B. presence of a chromosomal disease C. dominance of a trait D. A and B TIME REMAINING: 2:00 MINUTES

10. CATALYST TIME REMAINING: 1:00 MINUTES Silently and on your own, complete the task below 2.Hemophilia is a sex-linked trait carried on the x chromosome. A female with hemophilia has children with a normal male. What percent of the females will have hemophilia? A.50% B.25% C.100% D.0% 3.What information can be gleaned from a karyotype? A.gender B.presence of a chromosomal disease C.dominance of a trait D.A and B

11. CATALYST The CATALYST is to be done independently and silently. Answer the following questions in your notebook: 1. Butterfly wings can be yellow, blue, or green. A green-winged butterfly mates with a yellow-winged butteryfly. What % of the offspring with have blue wings? What type of inheritance pattern is shown? Step 1: list the dominant and recessive alleles Step 2: complete the phenotype/genotype table Step 3: Parents: _________ X _________ Step 4: Punnett square Step 5: What is the question asking?

12. Silently and on your own, complete the task below 2.Hemophilia is a sex-linked trait carried on the x chromosome. A female with hemophilia has children with a normal male. What percent of the females will have hemophilia? A.50% B.25% C.100% D.0% 3.What information can be gleaned from a karyotype? A.gender B.presence of a chromosomal disease C.dominance of a trait D.A and B CATALYST

13. Essential Question How does the environment play a role in the expression of our genes?

14. Think 1. Let’s say you have a gene that makes you more likely to be overweight. If you eat healthily and work out a lot, what will your weight be like? 2. SO, do our genes determine EVERYTHING about us? 3. What else influences what we look like?

15. Environment: your surroundings Environment can influence gene expression = you look one way in one environment, and a different way in a different environment Example: in warm temps in cool temps red flowerspurple flowers

16. In a particular species of plants, when the soil pH is greater than 7, blue flowers are produced. However, when the soil pH is less than 7, pink flowers are reproduced. Which statement best explains the color change in the plant? Environment 1: __________ phenotype 1: __________ Environment 2: __________ phenotype 2: ___________ pH greater than 7 pH less than 7 Blue flowers pink flowers Environment influences gene expression

17. Examples of phenotypes: Blue eyes vs. brown eyes, Red flowers vs. white flowers Green pea vs. yellow pea

18. But do all traits just come in 2 versions? No!

19. What traits can you think of that come in many versions? Height, skin color, hair color

20. That’s because most traits are controlled by MANY genes

21. Polygenic trait: many genes Poly: Genic: Polygenic trait: trait controlled by MANY GENES

22. Polygenic traits usually show a wide range of phenotypes Examples: height, skin color, hair color

23. EXIT TICKET

24. What is a polygenic trait? Provide 2 examples of polygenic traits. In your own words, describe how the environment can play a role in determining the expression of certain characteristics. In a particular species of fish, when the water is more salty, the fish has grey scales, and white scales when in the salinity (how salty the water is) is low. List the two environments and the two phenotypes. For the question above, fill in the blanks: _______________ influences ______________.

25. A man wants to investigate plant height using pea plants: His pea plants come in only 3 heights. He has tall plants (TT), short plant (tt) and medium plants (Tt). What are the probable genotypes and phenotypes? Practice Problem