The Categories of Variation (Classic Reprint) - Softcover

Inhaltsangabe

Discover how scientists analyze variation, from mutations to natural fluctuations, and what that means for evolution. The book presents case studies and careful reasoning to help readers evaluate competing ideas.

This extract surveys key questions in heredity and variation, showing how researchers test ideas about Mendelian inheritance, mutation, and the role of selection. It weighs evidence from experiments, debates about stability and discontinuity, and the limits of crossing tests, all while tracing how views have shifted over time.

- Learn how researchers distinguish stable variation from transient fluctuation
- See real examples, from plant crosses to animal hybrids, that test ideas about inheritance
- Understand critiques of unit characters, determinants, and other particulate theories
- Follow the argument for a view of evolution shaped by selective processes and gradual change

Ideal for readers of biology, history of science, and anyone curious about how scientific theories evolve through evidence and argument.

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