Science 2

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2
Iona  Periton
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Iona  Periton
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Zusammenfassung der Ressource

Science 2
  1. differences
    1. enviromental
      1. personality
        1. job
        2. inheritance
          1. genes
            1. eye colour
              1. hair
                1. straight of curly
              2. nucleus
                1. nucleus is made up of along thread inside
                  1. Chromosomes
                    1. Chromosomes made up genes
                      1. gene is made up of a DNA
                        1. blueprint of an individual
              3. twins
                1. identical
                  1. form the same fertilised egg
                    1. the egg splits in half
                      1. have the same genes
                    2. non-identical
                      1. from two different fertilised egg
                        1. have different genes
                    3. inheritance
                      1. baby genes
                        1. sperm 50%
                          1. dictates sex of the baby
                          2. fertilised egg 50%
                            1. inherit both dad and mum genes
                            2. freckled or non-freckled
                              1. both freckled
                                1. likely baby will be freckled
                                2. one of each
                                  1. 50% chance of either
                                  2. both non-freckled
                                    1. likely baby will be non-freckled
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