Variation and Evolution Mindmap

Description

A mindmap about variation and evolution
James Edwards22201
Mind Map by James Edwards22201, updated more than 1 year ago
James Edwards22201
Created by James Edwards22201 over 9 years ago
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Resource summary

Variation and Evolution Mindmap
  1. Variation
    1. Continuous
      1. Hight
        1. Weight
          1. Bell Shaped Curve
          2. Discontinuous
            1. Blood Group
              1. A
                1. B
                  1. AB
                    1. O
                    2. Bar Chart
                      1. Individual Groups
                    3. Reproduction
                      1. Sexual Reproduction
                        1. Single Cell Produced
                          1. New set of chromosomes
                          2. Offspring Genetically different
                            1. Two Parents
                            2. Asexual Reproduction
                              1. One Parent
                                1. "Clones"
                                  1. Identical Chromosones
                                  2. Mutations
                                    1. New genes
                                      1. Occur at random
                                        1. Ionising radiation
                                          1. Increases chance of mutation
                                      2. Gene Therapy
                                        1. Cystic Fibrosis
                                          1. Inherited disease
                                            1. Thick Mucus
                                              1. Block Bronchioles
                                              2. recessive allele
                                                1. Can be shown using family trees
                                                2. Inserting normal gene into affected tissue
                                                  1. Difficulties
                                                    1. Gene must be expressed
                                                      1. (Switched ON)
                                                      2. Targeting appropriate cells
                                                        1. NOT A CURE
                                                        2. Potential to be effective treatment
                                                        3. Natural Selection
                                                          1. Charles Darwin
                                                            1. Variation in species
                                                              1. Best characteristics are most likely to survive
                                                                1. Genes are then passed on to next generation
                                                                  1. Over time the genes that gave an advantage become most common in a species
                                                            2. Evolution
                                                              1. Warfarin
                                                                1. Overuse
                                                                  1. Mutation made rats resistant
                                                                  2. Rat poison
                                                                    1. 1960
                                                                    2. Bacteria
                                                                      1. Mutation
                                                                        1. Resistant to cleaning fluids and antibiotics
                                                                          1. "Super Bugs"
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