MICER vectors MHPP432c09 (16:94538615-16:94546849 Mb; mouse assembly GRCm38/mm10) located between Dscr3 and Dyrk1a and MHPN235b18 (16:96327324-16:96331804 Mb) located between B3galt5 and Igsf5 were subjected to cre-mediated recombination to duplicate the sequence flanked by loxP sites. (J:227899)