. Author manuscript; available in PMC: 2008 Jan 30.

Published in final edited form as: Dev Biol. 2005 Jun 15;282(2):550–570. doi: 10.1016/j.ydbio.2005.04.010

Table 1.

Motor neuron induction is reduced in the hindbrain and spinal cord of you-too mutants

Phenotype^*	Number of islet antibody-labeled cells
	Hindbrain (nV, nVI, nVII neurons)^#	Hindbrain (nVI, nVII neurons)^§	Ventral spinal cord (motor neurons)^@
WT (ty17)	201.2 ± 26.4	137.8 ± 18.5	21.8 ± 1.3
you-too^ty17	96.5 ± 14.9	72.3 ± 11.4	12.7 ± 4.0
Ratio (mut/WT)	0.48	0.53	0.58
Wt (ty119)	190.3 ± 24.9	132.3 ± 16.9	23.1 ± 1.4
you-too^ty119	45.3 ± 6.5	42.8 ± 7.2	4.8 ± 0.8
Ratio (mut/WT)	0.24	0.32	0.21

Six embryos were scored for each phenotype.

Total number of labeled cells in rhombomeres 2–7.

^§

Total number of labeled cells in r4–r7 (nVI and nVII neurons in WT, nVII neurons in mutants).

Number of labeled cells per hemisegment.