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The Study of Genetics

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Timeline

             Mendel started     Walter Fleming   Herman Mullern  Arthur Kornberg    First
             experimenting         discovered       makes mutant     makes DNA in a   cloned
             with pea plants      chromosomes            flies                    test tube         animal
                    1857                           1882                       1919                        1957               1997?
==================================================================  
     1655                 1865                        1902                        1944                      1968
Cells were       Mendel               Walter Sutton     Oswald Avery        Scientists
discovered   announced           demonstrates   announces that   begin to make    
 by Robert     'Mendel's        that chromosomes      DNA is             a human clone
   Hooke             Laws'                 exist in pairs     responsible for
                                                                                         heredity