Table 4. Inter-conversion of [PSI] strains: transmission by mating and sporulation.

	47s	47w	28w	[psi -](%±SD)
28s x 47[psi -]	36.2±5.4	0	37.9±5.9	25.8±3.9
28w x 47[psi -]	0	0	22.6±9.4	77.3±9.4
47s x 28[psi -]	43.6±6.2	0	27.5±4.6	28.7±3.6
47w x 28[psi -]	0	0	34.2±3.6	65.7±3.6
	21s	21w	47s	[ psi -]
21s x 47[psi -]	15.2±3.5	4.6±1.1	28.2±5.3	51.8±7.0
21w x 47[psi -]	0	0	0	100
47s x 21[psi -]	36.3±2.1	0	32.6±2.3	31.0±2.1
47w x 21[psi -]	0	0	0	100
	28s	28w	21s	21w	[ psi -]
28s x 21[psi -]	36.4±7.0	9.9±4.9	43.2±4.7	0	10.4±3.5
28w x 21[psi -]	0	0	0	0	100
21s x 28[psi -]	42.9±1.9	0	33.7±3.6	6.2±1.9	17.0±3.4
21w x 28[psi -]	0	0	0	0	100
	28s	28w	[ psi -]
28s x 28[psi -]	94.2±2.2	2.1±1.2	3.5±1.1
28w x 28[psi -]	0	64.1±2.8	35.8±2.8
	47s	47w	[ psi -]
47s x 47[psi -]	98.1±1.1	0	1.8±1.1
47w x 47[psi -]	2.3±0.5	75.0±6.1	22.5±5.8
	21s	21w	[ psi -]
21s x 21[psi -]	81.5±3.0	0	18.4±3.0
21w x 21[psi -]	0	73.4±4.5	26.5±4.5
	VH
VH x wt[psi -]	100

n = 6-8 each. For a single experimental repeat, >200 spores are analyzed (see Methods: spore analysis).