The correct option is A.
Environmental DNA surveillance is used for detection and monitoring of invasive animal species in aquatic and terrestrial ecosystem. The surveillance method provides information for the management personnel about the existence of alien species or outbreak of diseases. Early detection is always crucial in this case in order to prevent fatal consequences.<span />
        
                    
             
        
        
        
The cells show characteristics of tumors.   
Tumor cells have the ability to grow and proliferate in absence of adhesion or anchoring. This is particularly helpful during metastasis when a cancer cell travels through the bloodstream to another location. 
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A cancerous cell has a number of mutations that regulate cell division. In addition, they exhibit impairment in DNA repair system. Therefore, cancer cell divided fast. Since the DNA repair system is nonfictional, the cells do not pause division to repair the mutation.</span>
        
             
        
        
        
It is Harmful because if the organism is used to their environment and something changes your body is not going to function right
        
                    
             
        
        
        
It depends if it is a carrier or not, and if the trait is recessive or dominant trait