T
his book is intended primarily for graduate students and advanced
undergraduates in genetics and population biology. We hope that it
will be of value and interest to others also. It is an attempt to present
the field of population genetics, starting with elementary concepts and
leading the reader well into the field . At first we i ntended to include
experimental work ; but this has been largely omitted, partly in the interest
of coherence and partly because the book is already long.