I need help!

[Petur Henry Petersen]

	you could look up J.Maynards Smiths book on evolutionay genetics.
I think it's name is Evolutionary Genetics. It is a very direct book and
realatively easy to read. There is a short chapter on your problem in the
beginning of the book. Hope this helps.

	Petur Henry Petersen
	Deptm.Biology
	U.Iceland