Table 1 Qualitative mode-of-inheritance distribution

From: Overdominance is the major genetic basis of lint yield heterosis in interspecific hybrids between G. hirsutum and G. barbadense

Mode of inheritance

Yield, n (%)

Non-yield, n (%)

P χ 2

+Overdominant (ODO)

31 (22.5)

1 (0.9)

2.02E−09

−ODO

4 (2.6)

2 (1.5)

0.33

+Dominant

18 (13.2)

21 (13.4)

0.92

−Dominant

10 (7.4)

19 (12)

0.16

+Additive

13 (9.7)

46 (29.2)

1.81E−05

−Additive

16 (11.6)

19 (11.9)

0.88

+Recessive

9 (6.7)

20 (12.7)

0.07

−Recessive

36 (26.2)

29 (18.4)

0.12

Total

138 (100)

156 (100)

 
  1. The qualitative distribution of inheritance mode indicates the mean number of quantitative trait loci (QTLs) over a 5-year period, divided into yield and non-yield groups (the percentage of QTLs in this classification of all the QTLs of that group is represented by the number in parentheses). The symbols that precede the inheritance mode represent an increasing (+) or decreasing (−) QTL relative to TM-1. The yield and non-yield groups are statistically compared in each inheritance mode with the help of the χ2 test by dividing the QTLs into those that belong to this inheritance mode and those that do not, with one degree of freedom
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