Genetic Nomenclature

Interactions Between the Alleles of Single Gene

• Incomplete Dominance (pp. 214)
• Codominance (pp. 214-216)
• Recessive Lethal Alleles (pp. 216-218)

Multiple Alleles - ABO Blood Groups

Gene Interaction and Modified Dihybrid Ratios

• 9:7 (p. 227-228)
• 9:3:4 (recessive epistasis, pp. 228-230)
• 10:3:3
• 13:3 (pp. 230-232)
• 15:1
• 9:6:1 (problem 6:62)

Suggested Problems Griffiths et al., 2012

• Chapter 6: 17, 23, 37, 45