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Genetic Explanations - Sense and Nonsense (Hardcover)
Loot Price: R1,657
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Genetic Explanations - Sense and Nonsense (Hardcover)
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Can genes determine which fifty-year-old will succumb to
Alzheimer's, which citizen will turn out on voting day, and which
child will be marked for a life of crime? Yes, according to the
Internet, a few scientific studies, and some in the biotechnology
industry who should know better. Sheldon Krimsky and Jeremy Gruber
gather a team of genetic experts to argue that treating genes as
the holy grail of our physical being is a patently unscientific
endeavor. Genetic Explanations urges us to replace our faith in
genetic determinism with scientific knowledge about how DNA
actually contributes to human development. The concept of the gene
has been steadily revised since Watson and Crick discovered the
structure of the DNA molecule in 1953. No longer viewed by
scientists as the cell's fixed set of master molecules, genes and
DNA are seen as a dynamic script that is ad-libbed at each stage of
development. Rather than an autonomous predictor of disease, the
DNA we inherit interacts continuously with the environment and
functions differently as we age. What our parents hand down to us
is just the beginning. Emphasizing relatively new understandings of
genetic plasticity and epigenetic inheritance, the authors put into
a broad developmental context the role genes are known to play in
disease, behavior, evolution, and cognition. Rather than dismissing
genetic reductionism out of hand, Krimsky and Gruber ask why it
persists despite opposing scientific evidence, how it influences
attitudes about human behavior, and how it figures in the politics
of research funding.
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