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Weaknesses in the case against prepatterning in the mouse.

Authors
  • Gardner, R L
Type
Published Article
Journal
Reproductive BioMedicine Online
Publisher
Elsevier
Publication Date
Feb 01, 2006
Volume
12
Issue
2
Pages
144–149
Identifiers
PMID: 16478575
Source
Medline
License
Unknown

Abstract

Serious weaknesses are exposed regarding recent claims to have demonstrated that there is no prepatterning of axes in the mouse. That the orientation of the axis of polarity of the blastocyst is dictated by the shape of the zona pellucida is contradicted by systematic observations on living conceptuses. Moreover, this 'mechanical constraint' hypothesis fails to account for key findings on which the case for prepatterning is based.

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