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Table 1 Segregation of saMSTN-2 alleles of the promoter and intron 1 in progeny of a full-sib family (cross 1)

From: Myostatin-2 gene structure and polymorphism of the promoter and first intron in the marine fish Sparus aurata: evidence for DNA duplications and/or translocations

PROMOTER INTRON1
  PARENTS  
  Dam
(#5E4D)
Sire
(#0661)
Dam
(#5E4D)
Sire
(#0661)
  a/b b/c 1R/2R 2R/4R
PROGENY
   Expected
Number
(frequency)
Observed
Number
(frequency)
Contribution
to χ2
   Expected
Number
(frequency)
Observed
Number
(frequency)
Contribution
to χ2
ALLELES a 13
(25%)
11
(21%)
0.308 ALLELES 1R 13.5
(25%)
12
(22%)
0.166
  b 26
(50%)
31
(60%)
0.962   2R 27
(50%)
32
(59%)
0.926
  c 13
(25%)
10
(19%)
0.692   4R 13.5
(25%)
10
(19%)
0.907
  TOTAL 52
(100%)
52
(100%)
1.962
not
significant
  TOTAL 54
(100%)
54
(100%)
1.999
not
significant
GENOTYPES a/b 6.5
(25%)
3
(11%)
1.885 GENOTYPES 1R/2R 6.75
(25%)
4
(15%)
1.120
  b/b 6.5
(25%)
13
(50%)
6.500   2R/2R 6.75
(25%)
13
(48%)
5.787
  a/c 6.5
(25%)
8
(31%)
0.346   1R/4R 6.75
(25%)
8
(30%)
0.231
  b/c 6.5
(25%)
2
(8%)
3.115   2R/4R 6.75
(25%)
2
(7%)
3.343
  TOTAL 26
(100%)
26
(100%)
11.846
significant
  TOTAL 27
(100%)
27
(100%)
10.481
significant
  1. The results show no statistically significant deviation from Mendelian inheritance for alleles (0.9 >> P >> 0.10), but statistically significant deviation from Mendelian inheritance for genotypes (P << 0.05)