We generated minigene constructs representing the bcl-2-Ig fusion gene found at this chromosomal breakpoint.     ///    bcl-2-Ig transgenic mice document a prospective role for the t(14;18) in B cell growth and the pathogenesis of follicular lymphoma..     ///    "Provocatively, the bcl-2-Ig transgene confers a survival advantage to a population of mature B cells assessed in vitro. "