Get out a sheet to write down what you need to study for your mini-test on Thursday over Genetics.

1. Get out a sheet to write down what you need to study for your mini-test on Thursday over Genetics. This game will go on the website tonight We will be reviewing again tomorrow during class. Please come see me for tutorials if you don’t get something and need it re-explained in further depth.

2. GENETICS REVIEW ROUND 1 – 5 POINTS EACH ROUND 2 – 10 POINTS EACH ROUND 3 - 15 POINTS EACH

3. What are the 23rd pair of human chromosomes called AND what do they determine?

4. What are the 23rd pair of human chromosomes called AND what do they determine? Sex Chromosomes, They determine Gender You will need to know: The difference between autosomes and sex chromosomes

5. 2. How many phenotypes are found amongst the offspring? T t T T T T t T T T T t

6. 2. How many phenotypes are found amongst the offspring? T t ONE T T T T t T T T T t You will need to know: The difference between genotypes and phenotypes

7. 3. When Mendel crossed the pure-bred tall plant with the pure-bred short plant, all the offspring were tall because….? • No recessive alleles were passed down • The offspring were pure-bred tall • They all had heterozygous genotypes • The short allele is dominant

8. 3. When Mendel crossed the pure-bred tall plant with the pure-bred short plant, all the offspring were tall because….? • No recessive alleles were passed down • The offspring were pure-bred tall • They all had heterozygous genotypes • The short allele is dominant You will need to know: How alleles are passed down from parents

9. 4. Create a punnett square in which 100% of the offspring are heterozygous. (use any letter)

10. 4. Create a punnett square in which 100% of the offspring are heterozygous. (use any letter) t t Tt Tt T T Tt Tt You will need to know: How to read and create punnett squares

11. 5. What is the genotype of the circled offspring?

12. 5. What is the genotype of the circled offspring? ttGG You will need to know: How to read a dihybrid cross

13. ROUND 2

14. 1. The most accurate description of an organism with genotype AaBb is? • Homozygous Dominant • Heterozygous Recessive • Homozygous Recessive • Heterozygous

15. 1. The most accurate description of an organism with genotype AaBb is? • Homozygous Dominant • Heterozygous Recessive • Homozygous Recessive • Heterozygous You will need to know: The difference between homozygous and heterozygous

16. 2. Below is a picture of what type of mutation?

17. 2. Below is a picture of what type of mutation? Point Mutation You will need to know: The difference between a point mutation and a frameshift mutation

18. 3. An offspring that comes from parents with different forms of a trait is called a __________?

19. 3. An offspring that comes from parents with different forms of a trait is called a __________? A Hybrid You will need to know: The difference between a hybrid and a pure-bred

20. 4. When a red flower is mixed with a no-pigment flower and it produces pink flowers, this is called _____________ dominance.

21. 4. When a red flower is mixed with a no-pigment flower and it produces pink flowers, this is called _____________ dominance. Incomplete You will need to know: The definition of Incomplete dominance AND an example

22. 5. When there are two alleles that are expressed equally it is called? • Incomplete Dominance • Co-dominance • Polygenic Inheritance • Multiple Alleles

23. 5. When there are two alleles that are expressed equally it is called? • Incomplete Dominance • Co-dominance • Polygenic Inheritance • Multiple Alleles You will need to know: The definition of co-dominance AND an example

24. BONUS BONANZA WORTH 20 POINTS Mendel’s Law of Segregation applies most specifically to events occurring in the production of…. • Offspring • Zygotes • Gametes • Chromosomes

25. BONUS BONANZA WORTH 20 POINTS Mendel’s Law of Segregation applies most specifically to events occurring in the production of…. • Offspring • Zygotes • Gametes • Chromosomes You will need to know: What the Law of Segregation means

26. ROUND 3

27. 1. This dihybrid cross shows you that pea shape and pea color…? • are homozygous • are linked • are inherited independently • have the same alleles

28. 1. This dihybrid cross shows you that pea shape and pea color…? • are homozygous • are linked • are inherited independently • have the same alleles You will need to know: What the Law of Independent Assortment means

29. 2. Height and skin color are examples of? • Incomplete Dominance • Co-dominance • Polygenic Inheritance • Simple Dominance

30. 2. Height and skin color are examples of? • Incomplete Dominance • Co-dominance • Polygenic Inheritance • Simple Dominance You will need to know: The definition of polygenic inheritance and examples

31. 3. What are the allele combinations that can be found in a person’s sex cells if their genotype is AaBb?

32. 3. What are the allele combinations that can be found in a person’s sex cells if their genotype is AaBb? AB, Ab, aB, ab You will need to know: How to figure out allele combinations for gametes when creating a dihybrid cross

33. 4. What are the possible genotypes for someone with “B” blood?

34. 4. What are the possible genotypes for someone with “B” blood? lBlB or lBi You will need to know: The genotypes for the different blood types

35. 5. What is the phenotype of the circled offspring? P – purple p - yellow S - Speckled s - striped

36. 5. What is the phenotype of the circled offspring? Purple and striped P – purple p - yellow S - Speckled s - striped You will need to know: How to fill in a dihybrid cross