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Related Experiment Videos

What is biology?

R Rosen1

  • 1Department of Physiology and Biophysics, Dalhousie University, Halifax, NS, Canada B3H 3J5.

Computers & Chemistry
|September 1, 1994
PubMed
Summary
This summary is machine-generated.

This study challenges the idea that molecular biology fully explains Mendelian genetics and subsumes all of biology into physics. It suggests a "new physics" inherent in life itself, as proposed by Schrödinger.

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Area of Science:

  • Genetics
  • Molecular Biology
  • Philosophy of Science

Background:

  • Traditional genetics views organisms as discrete phenotypic characters, each with a genetic factor.
  • Molecular biology conceptualizes organisms as bundles of particulate molecular fractions.
  • A prevailing view is that molecular biology subsumes Mendelian genetics and integrates biology with physics.

Purpose of the Study:

  • To compare Mendelian and molecular views of biological fractionation.
  • To critically evaluate the claim that molecular biology subsumes Mendelian genetics.
  • To examine the implications for the relationship between biology and physics.

Main Methods:

  • Comparative analysis of genetic and molecular fractionation concepts.
  • Logical argumentation regarding the identity of Mendelian genes and DNA sequences.

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  • Philosophical inquiry into the reduction of biology to physics.

    • Main Results:

    • The assertion that molecular biology subsumes Mendelian genetics does not necessarily follow from equating Mendelian genes with DNA sequences.
    • The proposed subsumption may be false in general, questioning a core tenet of molecular biology.
    • The reduction of biology to physics is consequently challenged, suggesting a distinct biological physics.

    Conclusions:

    • The relationship between Mendelian genetics and molecular biology requires re-evaluation.
    • Biology may not be fully reducible to contemporary physics, hinting at emergent principles.
    • This work supports Schrödinger's notion of a unique
    • new physics
    • inherent in biological systems.