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Chapter 11  Introduction to Genetics Julianna Archacki Alexandria Tsang
11-1 The Work of Gregor Mendel <ul><li>Gregor Mendel’s peas </li></ul><ul><li>Genes and Dominance </li></ul><ul><li>A  tra...
<ul><li>Segregation  is  separation of alleles during gamete formation. </li></ul><ul><li>Gamete  is  a cell involved in  ...
11-2 Probability and Punnett Squares <ul><li>Genetics and probability </li></ul><ul><li>Probability can be used to measure...
11-3 Exploring Mendelian Genetics <ul><li>Independent Assortment </li></ul><ul><li>The genes for different traits can segr...
<ul><li>Multiple Alleles  means genes more than 2 alleles then others.  </li></ul><ul><li>Polygentic Traits   means traits...
11-4 Meiosis <ul><li>Meiosis is a process of reduction </li></ul><ul><li>division in which the number of </li></ul><ul><li...
11-5 Linkage and Gene Maps <ul><li>The chromosomes assort independently; individual genes do not. </li></ul>
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4 Chapter11

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Transcript of "4 Chapter11"

  1. 1. Chapter 11 Introduction to Genetics Julianna Archacki Alexandria Tsang
  2. 2. 11-1 The Work of Gregor Mendel <ul><li>Gregor Mendel’s peas </li></ul><ul><li>Genes and Dominance </li></ul><ul><li>A trait like seed color or plant height. </li></ul><ul><li>The offspring of crosses between parents </li></ul><ul><li>with different traits is hybrid . </li></ul>
  3. 3. <ul><li>Segregation is separation of alleles during gamete formation. </li></ul><ul><li>Gamete is a cell involved in sexual reproduction . </li></ul>
  4. 4. 11-2 Probability and Punnett Squares <ul><li>Genetics and probability </li></ul><ul><li>Probability can be used to measure the outcome of genetic crosses. </li></ul><ul><li>Punnett Squares </li></ul><ul><li>BB,bb is Homozygous. </li></ul><ul><li>Bb is Heterozygous. </li></ul><ul><li>All the tall plants have the same Phenotype . </li></ul><ul><li>Genotype is genetic makeup of an organism. </li></ul>
  5. 5. 11-3 Exploring Mendelian Genetics <ul><li>Independent Assortment </li></ul><ul><li>The genes for different traits can segregate independently during the formation of gametes. </li></ul><ul><li>Incomplete Dominance </li></ul><ul><li>One allele is not completely dominant over another. </li></ul><ul><li>Codominance </li></ul><ul><li>Both alleles give to the phenotype of the organism. </li></ul>
  6. 6. <ul><li>Multiple Alleles means genes more than 2 alleles then others. </li></ul><ul><li>Polygentic Traits means traits controlled by 2 or more genes. Many traits are made by the interaction of different genes. </li></ul>
  7. 7. 11-4 Meiosis <ul><li>Meiosis is a process of reduction </li></ul><ul><li>division in which the number of </li></ul><ul><li>chromosomes per cell is cut </li></ul><ul><li>in half through the separation </li></ul><ul><li>of homologous chromosomes </li></ul><ul><li>in a diploid cell. </li></ul>
  8. 8. 11-5 Linkage and Gene Maps <ul><li>The chromosomes assort independently; individual genes do not. </li></ul>
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