Recently, a large amount of computer-animated graphics in molecular biology have become available on CD- ROM (Hays 2001; Matray and Proulx 1995; Tsui and Treagust 2004; Williamson and Abraham 1995; Windschtil 1998) or in internet web sites (e.g., Gearner 2001), However, most of the reports about computer programs supporting genetics instruction, deal with Mendelian