The frizzledpathway regulates the development of arista laterals.

Table 2 frizzled pathway mutations and the position of lateral formation

Genotype	average position^#	sd	n^@	P^* compared to Oregon R	P compared to frizzled
Oregon R	0.918	0.043	32		2 × 10^-10
fz	0.695	0.099	22	2 × 10^-10
dsh	0.701	0.078	24	6.2 × 10^-14	0.82
stan	0.734	0.121	13	1.3 × 10^-4	0.34
pk	0.870	0.058	10	3.5 × 10^-2	1 × 10^-6
Vang	0.855	0.087	18	1 × 10^-2	3.5 × 10^-6
in	0.664	0.136	12	3.9 × 10^-5	0.50
fy	0.641	0.098	12	4.2 × 10^-7	0.14

# the position of the distal edge of the lateral is given as the fractional distance of the cell along the proximal distal axis. @ number of laterals scored. ^* P values from t-test

ISSN: 1471-213X