<prompt> Hybridoma cell line is a product of fusionB cells with mouse myeloma cellsT cells with mouse myeloma cellaB cells with Guinea pig myeloma cellsT cells with guinea pig myeloma cells  <response>: The B cells are mixed with mouse myeloma cells and exposed to polyethylene glycol, which causes cell fusion. The product of this fusion is a permanentcell line called a hybridoma capable of providing a continuous supply of monoclonal antibodies.Ref: Harper;s biochemistry; 30th edition; Chapter 52; 52 Plasma Proteins Immunoglobulins 