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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)