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Genetic Variation

Descripción

Overview of the NCEA level 2 genetic variation and change topic.
Deanna Louis
Mapa Mental por Deanna Louis, actualizado hace más de 1 año
Deanna Louis
Creado por Deanna Louis hace más de 7 años
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Resumen del 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

                                    Nota:

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

                                    Nota:

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

                                      Nota:

                                      • Individuals entering the population.
                                      1. Emmigration

                                        Nota:

                                        • 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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