Table 5. X chromosome recombination.

	Frequency of crossing over (%)a
Genotypeb	sc–cv	cv–v	v–f	f–y+	Total	nc
wild type	10	19.3	21.6	12.2	63.1	1197
sinaA4	0.6 (6.0)	0.9 (4.6)	6.1 (28.2)	5.2 (42.6)	12.8 (20.3)	326
sinaA4/sinaDf	0.6 (6.0)	3.0 (15.5)	1.2 (5.6)	2.4 (19.7)	7.2 (11.4)	165

^a Parentheses = percent of wild-type crossing over

^b Wild type = y sc cv v f y+/y w. sina^A4 = y sc cv f y+/y; sina^A4. sina^A4/sina^Df = y sc cv v f y+/y w; sina^A4/sina^Df.

^c Only accurately segregating female progeny were scored.