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Genetic Variation

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Overview of the NCEA level 2 genetic variation and change topic.
Deanna Louis
Mapa Mental por Deanna Louis, atualizado more than 1 year ago
Deanna Louis
Criado por Deanna Louis aproximadamente 7 anos atrás
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Resumo de Recurso

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

                                    Anotações:

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

                                    Anotações:

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

                                      Anotações:

                                      • Individuals entering the population.
                                      1. Emmigration

                                        Anotações:

                                        • 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

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