The Hands On Genetics programs have previously been available only by registering to receive a key.
In the latest versions of the programs (Windows only), the programs have been changed so that they only need to be downloaded in order to run.
Please note that in the current versions of the programs, it is not possible to set up specific exercises for a class as described in the Teachers' Instructions for Mendelsim and Gelsim.
We regret that the Macintosh versions of the programs only run in Classic mode, which is no longer available on Intel-based Macs, On such computers the programs can only be run in Windows emulation mode. Registration is still required to run these programs.