http://www.borg.com/~lubehawk/psquare.htm
Practice Problems at bottom of page...

More of the same:

http://www.biology.arizona.edu/mendelian_genetics/problem_sets/monohybrid_cross/01t.html  

Mouse crossing lab:

http://www.explorelearning.com/index.cfm?method=cResource.dspDetail&ResourcelD=35

Eye color crossing:

http://www.athro.com/evo/inherit.html

Genetics glossary for background words not understood:

http://genetics.about.com/?once=true&genetic

Genetic Diseases info link:

http://www.ornl.gov/sci/techresources/Human_Genome/medicine/assist.shtml