Chapter 12 Outline

Mendelian Patterns of Inheritance

Mendel's methodology, monohybrid crosses, and dihybrid genetic crosses are all topics covered in this chapter.

Chapter Outline

In this chapter outline, the learning objectives and the selected key terms are given for each major head in the chapter.

Introducing Gregor Mendel (p. 184)

1. Discuss the ideas about heredity that were prevalent when Mendel began his

experiments.

2. Outline the general methodology that Mendel used for his experiments.

Mendel Did a Monohybrid Cross (p. 186)

3. Diagram the type of monohybrid cross Mendel did, using words to indicate the

phenotype and letters to indicate the genotype.

4. State Mendel's law of segregation, and describe the reasoning he used to arrive at

this law.

5. Explain the use of a testcross to determine the genotype of an individual.

6. Solve one-trait genetics problems utilizing the laws of probability.

Selected Key Terms: Mendel's law of segregation, allele, dominant allele, recessive

allele, gene locus, homozygous, heterozygous, genotype, phenotype, Punnett square,

testcross

Mendel Did a Dihybrid Cross (p. 191)

7. Diagram the type of dihybrid cross Mendel did, and analyze the results.

8. State Mendel's law of independent assortment, and describe the reasoning he

used to arrive at this law.

9. Solve two-trait genetics problems utilizing the laws of probability.

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