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Is My Child Different? - Coggle Diagram

- - - - Multi-factorial
        
        Caused by more than one factor
        
        can be enviromntal
        
        ca be from a translocation
      - Chromosomal abnormalities
        
        from mitosis or meiosis
        
        nondisjunction
      - over-expression of a gene
        
        Repeated genes of chromosome 21
        
        from duplicatiom
    - - increase in maternal age
      - one parent has a genetic abnormality
      - prior child with down syndrome
      - increase paternal age