The Company of Biologists

Table 2.

Limb bud proximodistal length

Somite	n	Fgfr1^Prx1-Cre	P value	Fgfr1/2^Prx1-Cre	P value
28	4, -, 4			72^{^*}	<0.03
30-31	2, 2, 2	84	NS	74^{^†}	<0.02
32-33	4, 6, 4	97	NS	72^{^*}	<0.0001

Somite	n	Fgfr1^Prx1-Cre	P value	Fgfr1/2^Prx1-Cre	P value
28	4, -, 4			72^{^*}	<0.03
30-31	2, 2, 2	84	NS	74^{^†}	<0.02
32-33	4, 6, 4	97	NS	72^{^*}	<0.0001

n, Number of limb buds measured (control, Fgfr1^Prx1-Cre, Fgfr1/2^Prx1-Cre); -,not examined.

NS, Not significantly different from wild type (P>0.05).

Proximodistal limb length as percentage of wild-type control.

Compared to wild-type control and Fgfr1^Prx1-Cre limb buds.