Figure 14.0 Painting of Mendel

Figure 14.7 Testing two hypotheses for segregation in a dihybrid cross

Figure 14.8 Segregation of alleles and fertilization as chance events

Figure 14.9 Incomplete dominance in snapdragon color

Figure 14.9x Incomplete dominance in carnations

Figure 14.10 Multiple alleles for the ABO blood groups

Figure 14.10x ABO blood types

Figure 14.11 An example of epistasis

Figure 14.12 A simplified model for polygenic inheritance of skin color

Figure 14.13 The effect of environment of phenotype

Figure 14.14 Pedigree analysis

Figure 14.15 Pleiotropic effects of the sickle-cell allele in a homozygote

Figure 14.16 Large families provide excellent case studies of human genetics

Figure 14.17 Testing a fetus for genetic disorders

Figure 14.0x Mendel

Figure 14.1 A genetic cross

Figure 14.2 Mendel tracked heritable characters for three generations

Figure 14.x1 Sweet pea flowers

Figure 14.3 Alleles, alternative versions of a gene

Table 14.1 The Results of Mendel’s F1 Crosses for Seven Characters in Pea Plants

Figure 14.x2 Round and wrinkled peas

Figure 14.4 Mendel’s law of segregation (Layer 1)

Figure 14.4 Mendel’s law of segregation (Layer 2)

Figure 14.5 Genotype versus phenotype

Figure 14.6 A testcross