Probe:	Dll1 probe26
Probe preparation:	Antisense labelled with digoxigenin RNA

Structure	Level	Pattern	Image	Note
TS15: future spinal cord	Strong		6A
TS15: head	Strong		6A
TS15: tail	Strong		6A
TS15: central nervous system	Present	Widespread	6A
TS15: future brain	Present		6A
TS15: unsegmented mesenchyme	Present		6A

Structure	Level	Pattern	Image	Note
TS15: central nervous system	Weak		6B
TS15: future brain	Weak		6B
TS15: future spinal cord	Weak		6B
TS15: head	Weak		6B
TS15: tail	Weak		6B
TS15: unsegmented mesenchyme	Weak		6B

Structure	Level	Pattern	Image	Note
TS15: tail somite	Present		6C
TS15: tail unsegmented mesenchyme	Present		6C

Structure	Level	Pattern	Image	Note
TS15: tail somite	Present		6D	Mutants presented a range of expression patterns. This embryo shows a relatively normal expression pattern with some loss of expression in the tail bud region.
TS15: tail unsegmented mesenchyme	Present		6D	Mutants presented a range of expression patterns. This embryo shows a relatively normal expression pattern with some loss of expression in the tail bud region.
TS15: tail	Weak	Regionally restricted	6D	Loss of expression in the tail bud at the base of the tail region.

Structure	Level	Pattern	Image	Note
TS15: tail somite	Weak		6E	Mutants presented a range of expression patterns. This embryo shows a more extreme loss throughout the presomitic mesoderm.
TS15: tail unsegmented mesenchyme	Weak		6E	Mutants presented a range of expression patterns. This embryo shows a more extreme loss throughout the presomitic mesoderm.
TS15: unsegmented mesenchyme	Weak		6E	Mutants presented a range of expression patterns. This embryo shows a more extreme loss throughout the presomitic mesoderm.