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Fig. 4 | BMC Evolutionary Biology

Fig. 4

From: Asymmetry and integration of cellular morphology in Micrasterias compereana

Fig. 4

The thin-plate splines showing changes in cellular shapes spanned by PC axes of the principal component analysis decomposing patterns of biradial object symmetry. The two axes spanning most variation in each of the four symmetric and asymmetric subspaces are illustrated. a, b Asymmetry across the isthmus axis. c, d Totally symmetric variation. e, f Left-right asymmetry. g, h Transversal asymmetry combining shape differentiation across both axes

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