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Unit 1 Cells and Heredity
Chapter 4 Genetics: The Science of Heredity
Last Updated 3/2/2008
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Previous: Cell Processes and Energy
Next:
Modern Genetics
Teacher Resources Student Extra Credit
4-1 Mendel's Work |
4-2 Probability and Heredity |
4-3 The Cell and Inheritance |
4-4 The DNA Connection |
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| Day 4 |
Day 9 |
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Day 10 |
| Day 1 |
| Topic 4-1 Genetics: The Science of Heredity |
| Objectives/ I can... Learn a number of easily observable genetic traits. Compare traits they have with others in the class. Learn some traits are common, others are not. Construct and read a data table and bar graph. Explain how traits are passed from parent to offspring. Explain why offspring have some of the traits of their parents but not all. |
| State Goals |
| Classwork-Homework Trait: characteristic Inherited Trait: trait that is passed from parents to their offspring Heredity: passing of traits from parents to offspring Genetics: study of heredity |
| TEC p.16 Determine dominant and recessive traits. Record information in chart. Use capital letter for dominant trait, small letter for recessive Create class trait chart. Name and letters. Shade in every letter that matches you. p.17 Ratio and Percent Chart |
| Resources |
| Day 2 |
| Topic 4-1 Mendel's Experiments |
| Objectives/ I can... Define gamete. Describe the type of cell division called meiosis. Understand that some traits are dominant and others are recessive. |
| State Goals |
| Classwork-Homework |
| TEC |
| Resources Draw, weigh, measure, and answer questions about a pea pod. |
| Day 3 |
| Topic Sponge Bob Genetics |
| Objectives/ I can... Describe how genes are distributed in sexual reproduction. Design a model to determine genotype and phenotype. Compare observable and genetic traits to the traits of classmates and family members. Use Punnett squares. Use ratios and probability to describe patterns of heredity. Analyze experimental data to find probabilities. |
| State Goals 12.A.2b Categorize features as either inherited or learned. 12.A.5b Analyze the transmission of genetic traits, diseases and defects. 12.A.3b Compare characteristics of organisms produced from a single parent with those of organisms produced by two parents. |
| Classwork-Homework Genotype the two letters that make up a trait (TT Tt tt) Phenotype what the letters stand for (tall short) Homozygous: a trait made up of the same letter said to be purebred (TT tt) Heterozygous:a trait made up of a dominant and recessive gene (Tt) Dominant Gene: gene whose trait always shows itself Recessive Gene: gene of a trait that is hidden when the dominant gene is present Copy Vocabulary on paper Do #1-5 together |
| TEC |
| Resources |
| Day 4 |
| Topic 4-2 Punnett Squares |
| Objectives/ I can... Use Punnett Squares. Determine probability. |
| State Goals 12.A.3b Compare characteristics of organisms produced from a single parent with those of organisms produced by two parents. 12.A.5b Analyze the transmission of genetic traits, diseases and defects. |
| Classwork-Homework Punnett Square: chart that shows possible gene combinations. Examples 1A 2A 3A |
| TEC |
| Resources |
| Day 5 |
| Topic Sponge Bob Genetics |
| Objectives/ I can... Identify phenotypes. Identify genotypes. Create a Punnett square to determine traits. |
| State Goals 12.A.3b Compare characteristics of organisms produced from a single parent with those of organisms produced by two parents. 12.A.5b Analyze the transmission of genetic traits, diseases and defects. |
| Classwork-Homework |
| TEC |
| Resources |
| Day 6 |
| Topic 4-2 Codominance |
| Objectives/ I can... Use Punnett Squares. Determine genotypes and phenotypes. |
| State Goals 12.A.3b Compare characteristics of organisms produced from a single parent with those of organisms produced by two parents. 12.A.5b Analyze the transmission of genetic traits, diseases and defects. |
| Classwork-Homework Incomplete Dominance: pattern of inheritance in which alleles from both parents are blended Codominance: pattern of inheritance in which both alleles of a gene are expressed |
| TEC |
| Resources |
| Day 7 |
| Topic 4-2 Sponge Bob Genetics |
| Objectives/ I can... Determine genotypes and phenotypes. Create a Punnett square to determine traits. |
| State Goals 12.A.3b Compare characteristics of organisms produced from a single parent with those of organisms produced by two parents. 12.A.5b Analyze the transmission of genetic traits, diseases and defects. |
| Classwork-Homework |
| TEC |
| Resources |
| Day 8 |
| Topic 4-3 Chromosomes |
| Objectives/ I can... Describe how genes and chromosomes are involved in heredity. Define gamete. Describe the type of cell division called meiosis. |
| State Goals 12.A.3b Compare characteristics of organisms produced from a single parent with those of organisms produced by two parents. |
| Classwork-Homework Karotype: organized display of an organisms chromosomes Centromere: point of a chromosome where two parts meet Genes: parts of a chromosome that control inherited traits Allele: one of two or more forms of a particular gene Draw chromosome on board for kids to copy . Chromatids Centromere Chromatin fiber DNA Protein
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| TEC |
| Resources |
| Day 9 |
| Topic 4-4 Mutations |
| Objectives/ I can... Illustrate the five phases of mitosis. |
| State Goals 12.A.3b Compare characteristics of organisms produced from a single parent with those of organisms produced by two parents. |
| Classwork-Homework Use Oreo cookies and sprinkles to display the phases of mitosis. |
| TEC |
| Resources |
| Day 10 |
| Topic 4-4 Mutations |
| Objectives/ I can... Describe the molecular makeup of DNA. Explain the role of DNA in living organisms. Explain how the living conditions of an organism affect the way it develops |
| State Goals |
| Classwork-Homework DNA: large molecule contained in chromosome Replication: process by which DNA is duplicated Protein Synthesis: process by which proteins are made RNA: molecule used in the marking of proteins Mutation: change in a gene Mutagens: factors that increase mutations Carcinogens: mutagens known to cause cancer |
| TEC |
| Resources |
Previous: Cell Processes and Energy
Next:
Modern Genetics
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| CHROMOSOMES & DNA |
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| GENETICS |
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| Sponge Bob Genetics 5-Day
Mini Unit!! Voted "Favorite Activity" by kids every year. |
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| 3. Bird Land 4. Design Yer Genes 5. Snappy Products, Inc. |
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| HEREDITY |
| MENDEL |
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| MEIOSIS |
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| PROBABILITY |
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| PUNNETT SQUARES |
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Previous: Cell Processes and Energy Next: Modern Genetics