The experience of actual GM-fed experimental animals is scary. When GM soy was fed to female rats, most of their babies died within three weeks — compared to a 10% death rate among the control group fed natural soy. The GM-fed babies were also smaller, and later had problems getting pregnant.
When male rats were fed GM soy, their testicles actually changed color — from the normal pink to dark blue. Mice fed GM soy had altered young sperm. Even the embryos of GM fed parent mice had significant changes in their DNA. Mice fed GM corn in an Austrian government study had fewer babies, which were also smaller than normal.
Read the whole article over here.