Master the ideas that have shaped the study of genetics today. In a series of 50 accessible essays, Mark Henderson and Helen Sims introduce and explain the central ideas of genetics, beginning with the theory of evolution to the very latest, cutting-edge developments in gene therapy and artificial life. From the double helix and how nature and nurture work together, to genetic testing and race,  50 Genetics Ideas You Really Need to Know  is a complete introduction to this young and ground-breaking strand of science.