Link to onion mitosis shows animated gif and explains the phases (click on next)
http://www.biology.arizona.edu/cell_bio/activities/cell_cycle/cell_cycle.html
Here's a link to an online database for Mendelian Inheritance in Man from the National Center for Biotechnology Information
Gene Map of the Human Genome at http://www.ncbi.nlm.nih.gov/science96/ - shows the chromosome location of over 16,000
human genes with links to the underlying sequence and map data.
Last revision: 2/12/09
Current Address: http://www.sju.edu/biology/genetics.htm
The SJU Biology Department home page can be accessed at the short
address: http://www.sju.edu/biology