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Genetic Variation

Beschreibung

Overview of the NCEA level 2 genetic variation and change topic.
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Zusammenfassung der Ressource

Genetic Variation
  1. Sources of Variation
    1. Mutations
      1. Meiosis
        1. Independent Assortment
          1. Crossing Over
            1. Segregation
            2. Sexual Reproduction
              1. 2 Parents
                1. Fertilisation
              2. Key Terms
                1. Gene
                  1. Allele
                    1. Trait
                      1. Gene Pool
                        1. Allele Frequency
                        2. Evolution
                          1. Natural Selection
                            1. Types
                              1. Disruptive
                                1. Directional
                                  1. Stabilising
                                  2. Darwin's Theory

                                    Anmerkungen:

                                    • The favourable phenotype is selected for.
                                  3. Gene Flow

                                    Anmerkungen:

                                    • Gene flow affects the gene pool of a population.
                                    1. Immigration

                                      Anmerkungen:

                                      • Individuals entering the population.
                                      1. Emmigration

                                        Anmerkungen:

                                        • Individuals leaving the population.
                                      2. Genetic Drift
                                        1. The Bottleneck Effect
                                          1. The Founder Effect
                                        2. Inheritance
                                          1. Monohybrid Inheritance
                                            1. Complete Dominance
                                              1. Incomplete Dominance
                                                1. Co-dominance
                                                  1. Lethal Alleles
                                                    1. Multiple Alleles
                                                    2. Dihybrid Inheritance
                                                      1. 9:3:3:1 - separate chromosomes
                                                        1. 9:1:1:5 - lethal alleles/crossig over
                                                      Zusammenfassung anzeigen Zusammenfassung ausblenden

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