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Table 1 Half-sib analysis of QTL on SSC7 in a Large White population (AY population)

From: Identification of a second gene associated with variation in vertebral number in domestic pigs

 

Average no. of vertebrae (no. of offspring)

  

QTL type (haplotype of 57 markersa)

 

Left homolog inherited

Right homolog inherited

t -testb

Z -testc

Left

Right

Sire

      

1606

21.94 (83)

21.43 (84)

**

 

Q (d)

wt (f)

5901

22.07 (56)

21.54 (50)

**

 

Q (a)

wt (f)

503

21.86 (44)

21.49 (55)

**

 

Q (d)

wt

5910

21.95 (40)

21.44 (46)

**

 

Q

wt

5204

21.96 (46)

21.50 (48)

**

 

Q (a)

wt (e)

9305

21.82 (15)

21.57 (12)

**

 

Q (b)

wt

3605 d

21.90 (31)

21.89 (37)

 

-6.9

Q

Q

3705

21.81 (64)

21.36 (67)

**

 

Q

wt

5002 d

21.82 (60)

21.81 (64)

 

-7.9

Q (a)

Q

Dam

      

1308

21.90 (10)

21.25 (8)

**

 

Q (c)

wt (e)

1402 d

21.80 (25)

21.71 (21)

 

-2.6

Q (a)

Q

9404 d

22.00 (22)

21.94 (23)

 

-3.5

Q (a)

Q (d)

2904

21.92 (13)

21.33 (12)

**

 

Q (b)

wt

8502 d

21.83 (18)

21.80 (15)

 

-3.0

Q

Q (c)

2206 d

21.58 (19)

21.57 (21)

 

-2.4

wt (e)

wt

  1. The two homologous chromosomal regions for each individual are shown arbitrarily as Left or Right. Q and wt mean the vertebral-number-increase allele and the wild-type allele, respectively.
  2. a The same letters indicate identical haplotypes of the 57 markers within the 95% confidence interval.
  3. b Heterozygosity was judged by t-test (** means P < 0.01).
  4. c Homozygosity was judged by Z-score < -2.0, in which the Q-to-wt substitution effect was 0.49, as calculated with the data from nine heterozygotes in the Large White population.
  5. d QTL type (Q/Q or wt/wt) was judged by multiple comparison analysis of vertebral number.