The infection could overtake the whole body and could even shut down the body killing everything in the body.
        
                    
             
        
        
        
Mitochondria! That is why it is called the powerhouse of the cell!
 
        
             
        
        
        
The definition of alleles are pairs or series of genes on a chromosome that determine the hereditary characteristics.
 An example of an allele is the gene that determines hair color.