Mouse sex chromosomes are enriched for co-amplified gene families. present in tens to hundreds of copies. Co-amplification of Slx/Slxl1 on the X chromosome and Sly on the Y chromosome are involved in dose-dependent meiotic drive. however the role of other co-amplified genes remains poorly understood. https://www.roneverhart.com/Liftmaster-K1D8387-1CC-Expansion-Circuit-Board/