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Figure 6


Fig. 6. Yellow band extension in Corin mutant awl hairs. (A) Representative examples of three categories of awl hairs used in this analysis. In contrast to zigzag hairs, awl hairs may lack a subapical yellow band. (B) The ratio (R) between the length of the yellow band (Y) and the length of the whole hair (A) was calculated and assigned to the categories: R=0, R≤0.25, 0.25<R≤0.5. (C) The distribution of awl hairs among these categories in wild-type (black) and mutant mice (pink). Although a small proportion of 0.25<R≤0.5 is present in wild-type mice, most of these fall close to R=0.25 (data not shown). The P values for R=0, R≤0.25 and 0.25<R≤0.5 are P=0.0002, P=0.01 and P<0.0001, respectively. Data are means ± s.d.