Interactive
PBS

Pbs Teachers:engineer a Crop

For Students 9th - 10th
Compare the traditional method of selective breeding with transgenic methods. Interactive activities on this site include breeding the largest ear of corn possible and engineering a "super crop".
Interactive
PBS

Nova: Engineering a Crop

For Students 9th - 10th
This interactive simulation allows you to compare selective breeding with transgenic manipulation to see which one produces a better crop.