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Genomic individuality and its biological implications

J Zhao1

  • 1Department of Laboratory Medicine, Yale University School of Medicine, Yale-New Haven Hospital, CT 06520, USA.

Medical Hypotheses
|June 1, 1996
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Summary

This study proposes genomic individuality, challenging the idea that all somatic genomes are identical. It suggests each somatic genome possesses a unique genetic fingerprint, implying significant genomic variation within multicellular organisms.

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Area of Science:

  • Genomics
  • Molecular Biology
  • Cell Biology

Background:

  • The prevailing concept posits that all somatic genomes within an individual are identical, originating from a single fertilized cell.
  • This assumption implies a lack of genomic variability among somatic cells, potentially overlooking crucial biological nuances.

Purpose of the Study:

  • To challenge the notion of identical somatic genomes and introduce the concept of genomic individuality.
  • To explore the implications of genomic variation within an organism for understanding genome biology and cellular processes.

Main Methods:

  • The study is primarily theoretical, proposing a new hypothesis.
  • It involves critical analysis of existing concepts in somatic genome biology.

Main Results:

  • A new hypothesis, 'genomic individuality,' is proposed.
  • This hypothesis posits that each somatic genome has a unique genetic identity or fingerprint.
  • Consequently, no two somatic genomes within an organism are identical in all aspects.

Conclusions:

  • The concept of genomic individuality offers a more comprehensive understanding of genome biology.
  • It suggests significant genomic variation exists within multicellular organisms.
  • This perspective provides new insights for studying cell and organismal biology.