Table 4

Segregation of mating type and female fertility in the progenies of crosses between female-sterile evolved strains S1-B12 and S3-A10 and wild-type strains S3 and S1, and in backcross progenies

Observed

segregation

Mat1:Mat2

f:s




Cross number

Parental

strains

Parental

phenotypes

Mat1.1-f

Mat1.2-f

Mat1.1-s

Mat1.2-s

Observed

Chi2 and P (1:1)

Observed

Chi2 and P (1:1)

Chi2 and P (1:3)




S1

S3

Mat1-f

Mat2-f

21

18

0

0

21:18

0.23 (0.631)

39:00

126

S1

S3-A10

Mat1.1-f

Mat1.2-s

6

3

15

10

21:13

1.88 (0.170)

12:24

7.53 (0.006)

0.04 (0.998)

130

S3

126/0/04

Mat1.2-f

Mat1.1-s

7

2

11

15

18:17

0.03 (0.866)

09:26

8.26 (0.004)

0.01 (0.922)

133

S1

126/0/35

Mat1.1-f

Mat1.2-s

9

4

8

15

17:19

0.11 (0.739)

13:23

2.78 (0.096)

2.27 (0.124)

127

S3

S1-B12

Mat1.2-f

Mat1.1-s

5

2

15

15

20:17

0.24 (0.622)

07:30

14.3 (0.000)

0.73 (0.866)

131

S1

127/0/25

Mat1.1-f

Mat1.2-s

13

18

6

6

19:24

0.58 (0.446)

31:12

8.40 (0.004)

50.9 (0.000)

132

S3

127/0/28

Mat1.2-f

Mat1.1-s

4

6

18

11

22:17

0.64 (0.423)

10:29

9.26 (0.002)

0.01 (0.926)


f: female-fertile, s: female-sterile (mutant). The control cross is the cross between the two wild-type strains S1 and S3 (first line). Values in bold indicate non significant differences at the 5% level

Saleh et al. BMC Evolutionary Biology 2012 12:42   doi:10.1186/1471-2148-12-42

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