Table 5.

Comparison of spontaneous mutation frequencies

Frequency based on	Frequency per locus, ×10−6	Source
Whole-body mutants	6.6  (5.2, 8.3)	Table 1
Visible mosaics	9.6  (7.7, 11.7)	Table 3,*
Masked mosaics	11.4  (4.9, 24.3)	6/37,735 × 1/7 × 1/2†

Numbers in parenthesis are 95% confidence limits. 

^*Proportional scenario. 

^†See text.