TABLE 3 .

Fitness components of karyotypes ofDrosophila subobscura andD. pseudoobscura for different starting frequencies,p, of the “standard” arrangement (OST andST, respectively)

		D. subobscura			D. pseudoobscura
Fitness component	p	OST/OST	OST/O3+4+7	O3+4+7/O3+4+7	ST/ST	ST/CH	CH/CH
Viability	0.125					1	0.71 ± 0.09c
	0.25				1.33 ± 0.30	1	0.81 ± 0.09
	0.375					1	1.01 ± 0.13
	0.50	1.10 ± 0.03	1	0.95 ± 0.03a	1.58 ± 0.15	1	0.96 ± 0.10
	0.625				1.14 ± 0.16	1
	0.75				0.83 ± 0.10	1	0.75 ± 0.17
	0.875				0.78 ± 0.11	1
Female fecundity	0.50	0.96 ± 0.08	1	0.90 ± 0.06a	1.11 ± 0.06	1	0.98 ± 0.06d
Male sexual selection	0.05					1	0.73 ± 0.12e
	0.30	1.27 ± 0.18	1	0.92 ± 0.02b	3.69 ± 0.55	1	0.21 ± 0.05
	0.50	1.02 ± 0.05	1	0.86 ± 0.08	1.57 ± 0.20	1	0.26 ± 0.06
	0.70	0.74 ± 0.13	1	1.11 ± 0.04	0.51 ± 0.07	1	0.88 ± 0.19
	0.95				2.57 ± 0.93	1

^aTarrío (1993).

^bSantos et al. (1986).

^cAnderson et al. (1986).

^dMoos (1955).

^eAnderson and Brown (1984).