University of Arizona
Biology Project: Karyotyping Activity
If you want an interactive way to practice karyotyping, this is it. There are three patient histories and karyotypes to use in diagnosing human genetic disorders. There is enough information on comparing chromosomes to get you started.
Indiana University
Ensi: Comparison of Human: Chimpanzee Chromosomes Lesson
This is a great lesson plan that combines Karoytypes and evolution. Students will recognize that the chromosomes of chimpanzees and humans are remarkably similar, then correlate that to their evolutionary relationship.