In silico evo-devo: reconstructing stages in the evolution of animal segmentation

Table 2 Evolved developmental strategies

Simulation set	Simultaneous		Sequential		Other		Failed
Transient posterior morphogen
No CCS	39 (Fig. 3; Additional file 3: Figure S3)	3.2	0		0		11
No CCS, no noise	0		0		0		50
With CCS	34 (Fig. 4; Additional file 1: Figure S1)	6.8	2 (Fig. 4)	10.0	3	9.1	11
With CCS, no noise	32	8.4	1 (Additional file 4: Figure S4)	13	4	9.3	13
Persistent posterior morphogen
No CCS	15 (Fig. 7; Additional file 3: Figure S3)	6.4	31 (Figs. 6, 7; Additional file 4: Figure S4)	12.1	0		4
With CCS	15	6.9	22	12.3	7	9.1	6
Tissue size selection	6 (Fig. 7)	6.4	31 (Fig. 7)	12.7	8	10.9	5

Left number: number of simulations yielding this mechanism (figure number). Right number (italic): average number of segments generated with this mechanism

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