Page 5 - Mitosis - FULL
P. 5

Lesson  2


        Chromosomes




        Location of Chromosomes

        The cell nucleus of most organisms contains chromosomes.



        Chromosomes Contain Genes

        Each chromosome is made up of thousands of
        different genes which contain the instructions for
        an organism’s traits.





























           How many chromosomes?


           Human                         46

           Gorilla                       48                                     Species & Chromosome

           Cray sh                      200                        46           Number

           Cat                           38                                     The number of chromosomes

           Dog                           78                                     is unique for each species.

           Pea plant                     14





                                        14









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