Chapter 14 Mendel and the Gene Idea

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Chapter 14Mendel and the Gene Idea
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14.2Crossing pea plants
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14.3Mendel tracked heritable characters for
three generations
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Sweet pea flowers
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14.4 Alleles, alternative versions of a gene
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Table 14.1 Results of Mendels F1 Crosses for
Seven Characters in Pea Plants
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14.5 Mendels law of segregation (Layer 1)
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14.5 Mendels law of segregation (Layer 2)
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14.6 Genotype versus phenotype
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Round and wrinkled peas
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14.7A testcross
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14.8Testing two hypotheses for segregation in a
dihybrid cross. Do alleles sort independently?
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14.9 Segregation of alleles and fertilization as
chance events
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14.10 Incomplete dominance in snapdragon color
Carnation
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Pleiotropic effects of the sickle-cell allele in
a homozygote
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14.13 The effect of environment of phenotype
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14.12 A simplified model for polygenic
inheritance of skin color
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Multiple alleles for the ABO blood groups
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14.14 Pedigree analysis
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14.16 Large families provide excellent case
studies of human genetics
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14.17 Testing a fetus for genetic disorders