In a cross with a mother who carries the allele for hemophilia and a father who had normal blood clotting what would be the expecred phenotypes of the offspring

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement

Me the formula cacl2 represents the compound