Table 2.

Endogenous chromosome defects in Su(var)2-10 mutants

	+/+		Su(var)2-101/Su(var)2-102
	25°C	28°C	25°C	28°C
Mitotic index	1.04	1.01	1.39	1.26
Abnormally condensed metaphases (%)	22	18	35	61
Aberrant anaphases (%)	2	2	18	19

The mitotic index, percentage of undercondensed metaphases, and percentage of aberrant anaphases are shown for the indicated genotypes at 25°C and 28°C. The number of brains scored for each data set was the following: +/+ at 25°C = 9; +/+ at 28°C = 5; Su(var)2-10¹/Su(var)2-10²at 25°C = 13; Su(var)2-10²/Su(var)2-10²at 28°C = 8.