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Heredity Heredity Presentation Transcript

  • Heredity Tuesday, March 16, 2010
  • Tuesday, March 16, 2010
  • Objectives: Tuesday, March 16, 2010
  • Objectives: Explain how genotypes (heterozygous and homozygous) contribute to phenotypic variation within a species Tuesday, March 16, 2010
  • Objectives: Explain how genotypes (heterozygous and homozygous) contribute to phenotypic variation within a species (DOK: 2) Tuesday, March 16, 2010
  • Objectives: Explain how genotypes (heterozygous and homozygous) contribute to phenotypic variation within a species (DOK: 2) Predict the probability of the occurrence of specific traits, including sex-linked traits, in an offspring by using a monohybrid cross Tuesday, March 16, 2010
  • Objectives: Explain how genotypes (heterozygous and homozygous) contribute to phenotypic variation within a species (DOK: 2) Predict the probability of the occurrence of specific traits, including sex-linked traits, in an offspring by using a monohybrid cross (DOK: 2) Tuesday, March 16, 2010
  • Tuesday, March 16, 2010
  • Genetics (Mendelian) Tuesday, March 16, 2010
  • Genetics (Mendelian) -The study of traits are passed from parents to offspring Tuesday, March 16, 2010
  • Genetics (Mendelian) -The study of traits are passed from parents to offspring Tuesday, March 16, 2010
  • Genetics (Mendelian) -The study of traits are passed from parents to offspring Heredity Tuesday, March 16, 2010
  • Genetics (Mendelian) -The study of traits are passed from parents to offspring Heredity -The transmission (passing) of traits from parents to offspring Tuesday, March 16, 2010
  • Tuesday, March 16, 2010
  • Genetics (Mendelian) Tuesday, March 16, 2010
  • Genetics (Mendelian) -The study of traits are passed from parents to offspring Tuesday, March 16, 2010
  • Genetics (Mendelian) -The study of traits are passed from parents to offspring Tuesday, March 16, 2010
  • Genetics (Mendelian) -The study of traits are passed from parents to offspring Heredity Tuesday, March 16, 2010
  • Genetics (Mendelian) -The study of traits are passed from parents to offspring Heredity -The transmission (passing) of traits from parents to offspring Tuesday, March 16, 2010
  • Tuesday, March 16, 2010
  • Gregor Mendel Tuesday, March 16, 2010
  • Gregor Mendel “Father of Genetics” Tuesday, March 16, 2010
  • Tuesday, March 16, 2010
  • Pea Plants Tuesday, March 16, 2010
  • Tuesday, March 16, 2010
  • Self-pollination Tuesday, March 16, 2010
  • Self-pollination -When pollen from a plant is transferred to a flower on the same plant Tuesday, March 16, 2010
  • Self-pollination -When pollen from a plant is transferred to a flower on the same plant Cross-pollination Tuesday, March 16, 2010
  • Self-pollination -When pollen from a plant is transferred to a flower on the same plant Cross-pollination -When pollen from a plant is transferred to a flower on a different plant Tuesday, March 16, 2010
  • Tuesday, March 16, 2010
  • Mendel studied a variety of traits. Tuesday, March 16, 2010
  • Mendel studied a variety of traits. Tuesday, March 16, 2010
  • Tuesday, March 16, 2010
  • Trait Tuesday, March 16, 2010
  • Trait -A genetically determined variant of a characteristic Tuesday, March 16, 2010
  • Trait -A genetically determined variant of a characteristic Trait vs. Characteristic Tuesday, March 16, 2010
  • Trait -A genetically determined variant of a characteristic Trait vs. Characteristic -If the characteristic is “eye color”, BLUE EYES would be a possible trait. Tuesday, March 16, 2010
  • Tuesday, March 16, 2010
  • A DOMINANT gene will always cover or mask a RECESSIVE allele. Tuesday, March 16, 2010
  • A DOMINANT gene will always cover or mask a RECESSIVE allele. Tuesday, March 16, 2010
  • Tuesday, March 16, 2010
  • True Breeding Tuesday, March 16, 2010
  • True Breeding -Plants that are PURE for a trait and always produce offspring with that trait when they SELF- pollinate. Tuesday, March 16, 2010
  • True Breeding -Plants that are PURE for a trait and always produce offspring with that trait when they SELF- pollinate. Tuesday, March 16, 2010
  • Tuesday, March 16, 2010
  • P Generation Tuesday, March 16, 2010
  • P Generation -Parent generation in a genetic cross Tuesday, March 16, 2010
  • P Generation -Parent generation in a genetic cross F1 generation Tuesday, March 16, 2010
  • P Generation -Parent generation in a genetic cross F1 generation -First generation offspring resulting from a cross bet ween the parents Tuesday, March 16, 2010
  • P Generation -Parent generation in a genetic cross F1 generation -First generation offspring resulting from a cross bet ween the parents F2 generation Tuesday, March 16, 2010
  • P Generation -Parent generation in a genetic cross F1 generation -First generation offspring resulting from a cross bet ween the parents F2 generation -Second generation offspring resulting from a cross bet ween the F1 offspring Tuesday, March 16, 2010
  • Tuesday, March 16, 2010
  • Tuesday, March 16, 2010
  • Allele Tuesday, March 16, 2010
  • Allele -2 or more alternative forms of a gene Tuesday, March 16, 2010
  • Allele -2 or more alternative forms of a gene Genotype Tuesday, March 16, 2010
  • Allele -2 or more alternative forms of a gene Genotype -Genetic makeup of an organism inherited from its parents (alleles) Tuesday, March 16, 2010
  • Allele -2 or more alternative forms of a gene Genotype -Genetic makeup of an organism inherited from its parents (alleles) Phenotype Tuesday, March 16, 2010
  • Allele -2 or more alternative forms of a gene Genotype -Genetic makeup of an organism inherited from its parents (alleles) Phenotype -The appearance of an organism (tall or short) Tuesday, March 16, 2010
  • Tuesday, March 16, 2010
  • Homozygous Tuesday, March 16, 2010
  • Homozygous -When both alleles in a pair are the same (TT or tt) Tuesday, March 16, 2010
  • Homozygous -When both alleles in a pair are the same (TT or tt) Heterozygous Tuesday, March 16, 2010
  • Homozygous -When both alleles in a pair are the same (TT or tt) Heterozygous -When 2 alleles in a pair are different (Tt) Tuesday, March 16, 2010
  • Tuesday, March 16, 2010
  • Punnett Square Tuesday, March 16, 2010
  • Punnett Square Tool used to predict the probable offspring in a genetic cross Tuesday, March 16, 2010
  • Punnett Square Tool used to predict the probable offspring in a genetic cross Tuesday, March 16, 2010
  • Punnett Square Tool used to predict the probable offspring in a genetic cross Tuesday, March 16, 2010
  • Punnett Square Tool used to predict the probable offspring in a genetic cross Tuesday, March 16, 2010
  • Punnett Square Tool used to predict the probable offspring in a genetic cross Tuesday, March 16, 2010