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Scientists and ethicists have had a substantial and ongoing conversation about the possibility that it may some day be possible also to make genetic changes in the germ cells — sperm and ova — so that heritable modifications will be passed on to offspring . Lieutenant Governor Walker , who has been a tireless and able proponent of our goals , is prepared to carry them out to conclusion . To eliminate financial barriers that have kept some urban and ethnically diverse schools from participating , the museum will offer transportation subsidies and substitute teacher subsidies to schools in the 16 Dane County school districts . It has been a busy and rewarding month . It had been a long and hard fight .