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Unit 4 Chapter 11: Continuity of Information Through Inheritance The goals of this chapter are: 1. to help you to understand that the flow of genetic information from one generation to the next provides continuity for species 2. to help you to understand that the genotype of an organism limits the range of potential phenotypes 3. to help you to understand that the environment plays an important role in determining phenotypes 4. to help you to understand that there are biological mechanisms that account for the predictability and variability of genetic patterns 5. to help you to understand that genetics plays a role in determining complex traits such as behavior 6. to help you to learn to make observations, use models to help develop explanations, use probability to make predictions, collect, analyze and summarize data, using the appropriate sampling size, and interpret data to develop explanations. Schedule: Assignments: Wednesday, Dec. 11 Engage: Gifts From Your Parents, p. 422 Wednesday, Dec. 11 Explore: Game of Chance, p. 42 Friday, Dec. 13 Monday, Dec. 16 Tuesday, Dec. 17 Explore/Explain: Patterns of Inheritance p. 431 Read Phenotype and Genotype, p. 496 and Case Studies of Two Tragic Genetic Disorders, p. 500 and answer the questions Friday, December 13 Tuesday, Dec. 17 Wednesday, Dec. 18 Thursday, Dec. 19 Explain: Understanding Inherited Patterns p. 435 MiniQuiz on the importance of haploid gametes (Thursday) Read Meiosis, p.502 and answer the question Due: Monday, December 16 Thursday, Dec. 19 Friday, Dec. 20 Tuesday, Jan. 7 Explain/Elaborate: Can You Sort it Out, p. 438 Wednesday, Jan. 8 MiniQuiz on how meiosis contributes to Read The Role of Variation variation p. 507 and Genetic Complexity, Discuss Answers to Questions p. 507 and 511 p. 511 and answer the questions ____________________________Due: Tuesday, January 7___ Wednesday, Jan. 8 Thursday, Jan. 9 Friday, Jan. 10 MiniQuiz on ?5 on Unit 4 Test Review (Thurs.) MiniQuiz on 2 factors that distinguish complex traits from simple traits (Friday) Evaluate: Continuity and Change, p. 444 Friday, Jan. 10 LUNCH Monday, Jan. 13 Chapter 11 Review Chapter 11 Test Proc. and Proc. #1 and 2 p. 423 Due: Wednesday, December 10 Read Incomplete Dominance p. 514 and answer the questions Due: Wednesday, January 8 Phenotype and Genotype, p. 496 1. What is a phenotype? 2. What is a genotype? 3. What are chromosomes? 4. What is a gene? 5. What are alleles? 6. What is a heterozygous genotype? 7. What is a homozygous genotype? 8. What is a dominant trait? 9. What is a recessive trait? 10. Explain independent assortment. Case Studies of Two Tragic Genetic Disorders, p. 500 1. What is a carrier? Meiosis: The Mechanism Behind Patterns of Inheritance, p. 502 1. What is meiosis? 2. Body cells that have both chromosomes for each pair are ___ whereas gamete cells, that only have one chromosome from each pair, are ____. 3. How many cells result from meiosis? Are they diploid or haploid? 4. What is crossing over and in what does it result? 5. Briefly describe meiosis. 6. Describe Mendel’s principle of segregation. The Role of Variation in Evolution, p. 507 1. The ultimate source of all new genetic information in evolution is ____ and they increase _____. 2. What are the major sources of genetic variation? 3. Describe nondisjunction. 4. How do evolutionary changes arise? 5. From what two steps do all cases of evolutionary changes result? 6. How can natural selection result in a new species? 7. What could happen if a population from a geographically isolated species colonizes a new habitat? Genetic Complexity, p. 511 1. What 2 factors distinguish complex traits, such as behavior, intelligence, and personality, from simple traits, such as cleft chin or hemophilia? 2. How might the many genes responsible for the production of melanins interact to produce the large variation of skin colors exhibited by the populations of the world? Incomplete Dominance, p. 514 1. What is incomplete dominance? 2. How has natural selection preserved the allele for sickle cell disease?