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Fig. 5 | Hereditas

Fig. 5

From: Ancient role of ten-m/odz in segmentation and the transition from sequential to syncytial segmentation

Fig. 5

Transition from oscillator-growth to reaction-diffusion pattern formation. a standard oscillation-growth scenario, as seen in Fig. 1. b embryo parameters are changed and the oscillator-growth system is on the border of a transition to a reaction-diffusion based pattern-forming system in the mature (upper, right) part. c parameter transition is complete. The mature part of the embryo now forms a repetitive pattern by a R-D mechanism, but forcing from the oscillator in the posterior growth zone yields the same pattern as before the transition. Thus, the “mutant” embryo may survive this transition to another pattern-forming mechanism, which may then be exploited by evolution as a basis for a simultaneous all-or-none stripe mechanism. Reproduced from [58]

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