Chapter 14

Chapter 14 - Mendelian Patterns of Inheritance Chapters 14...

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Mendelian Patterns of Inheritance Chapters 14
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Fig. 14-3-1 EXPERIMENT P Generation (true-breeding parents) Purple flowers White flowers ×
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Fig. 14-3-2 EXPERIMENT P Generation (true-breeding parents) Purple flowers White flowers × F 1 Generation (hybrids) All plants had purple flowers
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Fig. 14-3-3 EXPERIMENT P Generation (true-breeding parents) Purple flowers White flowers × F 1 Generation (hybrids) All plants had purple flowers F 2 Generation 705 purple-flowered plants 224 white-flowered plants
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Fig. 14-4 Allele for purple flowers Homologous pair of chromosomes Locus for flower-color gene Allele for white flowers
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Fig. 14-5-1 P Generation Appearance: Genetic makeup: Gametes: Purple flowers White flowers PP P pp p
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Fig. 14-5-2 P Generation Appearance: Genetic makeup: Gametes: Purple flowers White flowers PP P pp p F 1 Generation Gametes: Genetic makeup: Appearance: Purple flowers Pp P p 1 / 2 1 / 2
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Fig. 14-5-3 P Generation Appearance: Genetic makeup: Gametes: Purple flowers White flowers PP P pp p F 1 Generation Gametes: Genetic makeup: Appearance: Purple flowers Pp P p 1 / 2 1 / 2 F 2 Generation Sperm Eggs P P PP Pp p p Pp pp 3 1
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Modern Genetics Most traits determined by pair of genes = sections of DNA Allele = alternate forms of a gene that code for the same trait Dominant allele masks the expression of the recessive allele Alleles occur on homologous pair of chromosomes at a specific location = gene locus Homozygous = identical alleles Heterozygous = hybrid of different alleles
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Genotype Refers to the
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Chapter 14 - Mendelian Patterns of Inheritance Chapters 14...

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