Genetics of the Immune system Immune system-protects us against foreign material proteins, viruses, bacterial infections Immune system has two major divisions Non-Specific response block entry of foreign agents into the body block the spread of foreign agents if they get into the body Specific responses antibody-mediated immunity -humoral response cell-mediated immunity -cellular responseGenetics of the Immune system Immune system - protects us against foreign material proteins, viruses, bacterial infections Immune system has two major divisions. Non-Specific Response - block entry of foreign agents into the body - block the spread of foreign agents if they get into the body Specific Responses - antibody-mediated immunity - humoral response - cell-mediated immunity – cellular response