Table 2.

Complementation Analysis of Chromosome 4 (117–281) Lethal Lines

Line name	l4Jus19	L4Jus22	l4Jus23	l4Jus24	l4Jus25	l4Jus26	l4Jus27	l4Jus28	l4Jus29	l4Jus30
l4Jus22	+
l4Jus23	+	+
l4Jus24	+	+	+
l4Jus25	+	+	+	+
l4Jus26	-	+	+	+	+
l4Jus27	+	+	+	+	+	+
l4Jus28	+	+	+	+	+	+	+
l4Jus29	+	+	+	+	+	+	+	+
l4Jus30	+	+	+	+	+	+	+	+	+
l4Jus31	+	+	+	+	+	+	+	+	+	+

The results of complementation testing of the lethal mutants are shown. Crosses that complement are indicated by a '+' sign, and crosses that fail to complement are indicated with a '-' sign. The only lines that fail to complement are l4Jus19 and l4Jus26. For this cross 31 mice were examined at weaning, and no albino animals were observed (p < 0.001).