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Genetic Variation and its Control

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GCSE Biology Mapa Mental sobre Genetic Variation and its Control, criado por pru5ha em 31-08-2013.
pru5ha
Mapa Mental por pru5ha, atualizado more than 1 year ago
pru5ha
Criado por pru5ha aproximadamente 11 anos atrás
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Resumo de Recurso

Genetic Variation and its Control
  1. Variation
    1. Genes
      1. Inherited from parents
        1. Characteristics
        2. Environment
          1. Influenced by surroundings
          2. Combination
            1. Both parents ad environment
          3. Genes
            1. Nucleus of cell
              1. Control production of protein
                1. Passed from generations
                  1. Egg and sperm
                    1. Gametes
                      1. 2 to form baby
                  2. Half mum half dad
                  3. Reproduction
                    1. Sexual
                      1. Egg and spem
                        1. Fertilisation
                          1. Gametes brought together
                        2. Leads to variation
                        3. Asexual
                          1. Only one parent
                            1. No mixture of genetic information
                              1. Identical offsprings
                                1. Clones
                                2. Disadvantages
                                  1. Lack of variation
                                  2. Advantages
                                    1. Quick
                                      1. No mates needed
                                      2. Occurs in bacteria
                                      3. Plant cuttings
                                        1. Parent plant
                                          1. New plant
                                          2. Cheap
                                            1. Genetically identical
                                              1. Same characteristics
                                          3. Cloning techniques
                                            1. Tissue culture
                                              1. Parent plant
                                                1. Plant cells taken
                                                  1. Agar jelly
                                                    1. New plants
                                              2. Embryo transplants
                                                1. Animal with desired characteristics
                                                  1. Egg fertilised with sperm- in dish
                                                    1. Embryos into ball
                                                      1. Split into pairs
                                                        1. Transplanted into surrogate
                                                          1. Birth to identical offspring
                                                2. Adult cell cloning
                                                3. Genetic engineering
                                                  1. Genetically modified
                                                    1. Transfer genes to their development
                                                      1. Herbicide resistant
                                                        1. Kill competition
                                                        2. Longer shelf life
                                                          1. No decaying
                                                          2. Insect resistant
                                                            1. Stops destruction
                                                            2. Increased vitamin content
                                                              1. Prevent blindness

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