Fig. 6. A comparison of average muscle arm widths. (A) The muscle arm widths are expressed as an average percentage of muscle cell length (see Materials and methods). (B) The average total arm width per BWM for select genotypes. A single asterisk at the end of the bars indicates a significant difference with trIs30 (P<0.001) (grey bar). A double asterisk at the end of the bars indicates a significant difference with the total arm width of trIs30 controls (white bar) (P<0.001). All animals were raised at 20°C. Errors bars represent the standard error of the mean.