14 February 2006 UTC Resistance to diseases is not the result of mutation After being infected with a disease our immune system produces specific antibodies so that if that virus or bacterium returns the antibodies can destroy it instantly As for the next generation the genes of the parents get passed along with the immune system s imformation of the disease that affected the parent No not all individuals die from tumors caused by bad mutations most survive provided that they get the right treatment But that s not the point Tumors are not beneficial are they I really don t understand what you re talking about here Our taste buds are naturally attracted to those things that taste sweet so the eat sugar gene comes naturally 21 16