Table 5 Average number of spots per offspring in crosses between strains PA0, in relation to temperature and larval density

From: Colour polymorphism in Drosophila mediopunctata: genetic (chromosomal) analysis and nonrandom association with chromosome inversions

Cross

Sex

16.5°C

20°C

  

12 larvae

96 larvae

12 larvae

96 larvae

  

n

Average

n

Average

n

Average

n

Average

I × L

M

22

3

11

3

48

1.23

42

1.17

I × L

F

16

3

9

3

38

1.03

29

1.14

H × N

M

24

3

29

3

49

2.08

30

2.00

H × N

F

28

3

14

2.86

51

1.18

24

1.25

F × B

M

10

3

13

2.92

30

1.27

5

1.20

F × B

F

6

2.67

14

2.71

44

1.02

6

0.83

C × I

M

27

3

9

3

49

2.06

29

1.93

C × I

F

35

3

15

3

43

1.51

40

1.38

J × G

M

26

3

11

3

41

2.90

21

3.00

J × G

F

16

3

17

3

63

2.56

34

2.59

A × C

M

23

3

9

3

44

2.27

18

2.50

A × C

F

33

3

22

3

39

1.85

20

1.95

K × H

M

12

3

16

3

45

1.38

31

1.81

K × H

F

19

2.68

32

2.63

39

1.05

42

1.00

M × E

M

25

2.64

25

2.80

25

1.20

34

1.24

M × E

F

19

2.68

21

2.57

33

1.03

20

1.00

N × E

M

30

3

4

2.75

22

2.77

10

2.50

N × E

F

26

2.92

17

3

17

1.65

13

2.00

F × J

M

28

2.93

134

2.76

88

2.42

26

1.69

F × J

F

35

2.69

66

2.23

92

2.03

30

1.20

G × L

M

30

3

90

3

50

2.82

35

2.91

G × L

F

46

2.96

60

3

75

2.75

42

2.88

B × M

M

20

2.30

62

2.34

56

2.38

18

2.06

B × M

F

31

2.58

70

2.34

33

1.18

38

1.74

A × K

M

25

2.72

40

2.68

31

2.26

41

1.88

A × K

F

26

2.73

62

2.52

86

2.08

46

1.07

Males Total

 

302

2.89±0.06

453

2.87±0.06

578

2.08±0.17

340

1.99±0.17

Females Total

 

336

2.84±0.05

419

2.76±0.08

653

1.61±0.17

384

1.54±0.18