Darwinian Detectives: Revealing the Natural History of Genes and Genomes

Norman A. Johnson

2007 թ. հլս · Oxford University Press

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Biology is often viewed today as a bipartisan field, with molecular level genetics guiding us into the future and natural history (including ecology, evolution, and conservation biology,) chaining us to a descriptive scientific past. In Darwinian Detectives, Norman Johnson bridges this divide, revealing how the tried and true tools of natural history make sense of the newest genomic discoveries. Molecular scientists exploring newly sequenced genomes have stumbled upon quite a few surprises, including that only one to ten percent of the genetic material of animals actually codes for genes. What does the remaining 90-99% of the genome do? Why do some organisms have a much lower genome size than their close relatives? What were the genetic changes that were associated with us becoming human? As molecular biologists uncover these and other new mysteries, evolutionary geneticists are searching for answers to such questions. Norman Johnson captures the excitement of the hunt for our own genetic history. Through lively anecdotes, he explores how researchers detect natural selection acting on genes and what this genetic information tells us about human origins.

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Norman A. Johnson, an evolutionary geneticist, is the author of numerous research publications, mainly in the genetics and evolution of reproductive isolation between nascent species. Johnson has taught at the University of Chicago, University of Texas at Arlington, and the University of Massachusetts, where he is currently an Adjunct Research Assistant Professor in the Department of Plant, Soil, and Insect Sciences.