Chapter 14-15 - Copy

Chapter 14-15 - Copy - Learning Objects: Chapters 14 &...

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CHAPTER 14: MENDEL AND THE GENE IDEA Gregor Mendel’s Discoveries 1. Explain how Mendel’s particulate mechanism differed from the blending theory of inheritance. 2. Define the following terms: true breeding, hybridization, monohybrid cross, P generation, F1 generation, F2 generation. True-breeding self-pollinated plants Hybridization the crossing of two varieties Monohybrid cross tracks the inheritance of a single character (flower color) P generation the true-breeding parents F1 generation the 1st set of hybrid offspring F2 generation the 2nd generation from allowing the F1 set to self-pollinate 3. List and explain the four components of Mendel’s hypothesis that led him to deduce the law of segregation. 4. Use a Punnett square to predict the results of a monohybrid cross, stating the phenotypic and genotypic ratios of the F2 generation. 5. Distinguish between the following pairs of terms: dominant and recessive; heterozygous and homozygous; genotype and phenotype. 6. Explain how a testcross can be used to determine if an individual with the dominant phenotype is homozygous or heterozygous. 7. Use a Punnett square to predict the results of a dihybrid cross and state the phenotypic and genotypic ratios of the F2 generation. 8. State Mendel’s law of independent assortment and describe how this law can be explained by the behavior of chromosomes during meiosis. 9. Use the rule of multiplication to calculate the probability that a particular F2 individual will
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Chapter 14-15 - Copy - Learning Objects: Chapters 14 &...

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