...cells, resulting in a more homogenous (but still polyclonal) cell population. Depending on the transducibility...regularly to confirm transgene expression. As polyclonal populations of resistant cells start proliferating...etc. Pro-Tip This selection method results in a polyclonal cell population, meaning that the transgene has...from different cells in the population. Once the polyclonal populations are growing well and have been sufficiently...expression. Over time, transgene expression in a polyclonal population may drop. This is because cells that...consider generating monoclonal lines from the early polyclonal populations. Sample Data Figure 1: Generation...