Table 1.

Summary of the mean values (and standard errors) for each genotype.

	Phase	Cl +/+	Cl +/−	Cl −/−
Mean Starts	1	8.0 (.97)	6.5 (.79)	4.8 (.66)
	2	12.4 (1.31)	9.0 (1.07)	15.6 (2.9)
Mean Stops	1	19.1 (.66)	17.8 (.32)	16.7 (.35)
	2	34.2 (1.22)	32.0 (0.94)	30.8 (0.88)
Stop CV	1	.26 (.011)	.28 (.019)	.25 (.017)
	2	.32 (.024)	.26 (.022)	.35 (.047)
Mean Dur.	1	11.1 (.53)	11.4 (.60)	11.9 (.58)
	2	21.8 (1.88)	22.9 (1.14)	15.2 (3.12)
Mean Mid.	1	13.5 (.78)	12.1 (.52)	10.7 (.44)
	2	23.3 (.85)	20.5 (.83)	23.2 (1.44)