Explain why meiosis and the events that occur during this type of cell division leads to so much genetic diversity in offspring.

Be sure to explain the significance of crossing-over and independent assortment of chromosomesin your answer.

--Don't even know where to start... HELP!

Since this is not my area of expertise, I searched Google under the key words "meiosis genetic diversity" to get these possible sources:

http://www.biology.arizona.edu/cell_bio/tutorials/meiosis/page3.html
http://www.biology-online.org/2/1_meiosis.htm
http://en.wikipedia.org/wiki/Meiosis
http://www.sumanasinc.com/webcontent/anisamples/nonmajorsbiology/independentassortment.html

I hope this helps. Thanks for asking.