Chapter 4: Understanding Change: Modern Evolutionary Theory Genetics
Chapter 4: Understanding Change: Modern Evolutionary Theory Genetics
Overview
This chapter provides an introduction to genetics and evolution. It explains the basis of the genetic code and the principles of sexual reproduction and inheritance. The significance of mutations is explored through a discussion of sickle cell trait and the Hardy-Weinberg formula is applied to the genetics of populations. The means by which natural selection operates are described and illustrated with examples, as are the phenomena of gene flow and genetic drift. Models for the origin and modification of species based on gradualism and punctuated equilibrium are compared and contrasted.Practice Exam (40 Questions)
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