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Related Concept Videos

Determination01:51

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During embryogenesis, cells become progressively committed to different fates through a two-step process: specification followed by determination. Specification is demonstrated by removing a segment of an early embryo, “neutrally” culturing the tissue in vitro—for example, in a petri dish with simple medium—and then observing the derivatives. If the cultured region gives rise to cell types that it would normally generate in the embryo, this means that it is specified. In contrast, determination...
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Random or indeterminate errors originate from various uncontrollable variables, such as variations in environmental conditions, instrument imperfections, or the inherent variability of the phenomena being measured. Usually, these errors cannot be predicted, estimated, or characterized because their direction and magnitude often vary in magnitude and direction even during consecutive measurements. As a result, they are difficult to eliminate. However, the aggregate effect of these errors can be...
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Related Experiment Video

Updated: May 20, 2026

In Vivo Modeling of the Morbid Human Genome using Danio rerio
12:31

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Published on: August 24, 2013

Biological indeterminacy.

Ralph J Greenspan1

  • 1Kavli Institute for Brain and Mind, University of California San Diego, La Jolla, CA, USA. rgreenspan@ucsd.edu

Science and Engineering Ethics
|July 4, 2012
PubMed
Summary
This summary is machine-generated.

Biological processes are not always deterministic. Degeneracy, or multiple pathways to the same outcome, challenges accurate prediction from brain imaging or genetic data.

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Area of Science:

  • Biology
  • Neuroscience
  • Genetics

Background:

  • Traditional biological models often assume deterministic mechanisms and inter-individual similarity.
  • Recent research highlights biological degeneracy: the capacity for multiple pathways to reach a single endpoint.

Purpose of the Study:

  • To challenge deterministic views in biology.
  • To explore the implications of biological degeneracy for predictive capabilities in neuroscience and ethics.

Main Methods:

  • Conceptual analysis of biological system properties.
  • Review of existing literature on biological determinism and degeneracy.

Main Results:

  • Biological systems exhibit degeneracy, allowing for diverse routes to the same biological state.
  • This inherent variability complicates precise predictions based on limited individual data.

Conclusions:

  • The concept of biological degeneracy questions the feasibility of highly accurate behavioral predictions from brain imaging or genotyping.
  • Neuroscience's ability to establish definitive ethical principles may be limited by this inherent biological variability.