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Table 1 Genotypic dependences of iridal hypopigmentation

From: A genome-wide association study reveals a locus for bilateral iridal hypopigmentation in Holstein Friesian cattle

SNP (chromosome)

Genotype

Cases (n = 18)

Controls (n = 316)

P-value

  

Obs.

Exp.

HWE

Obs.

Exp.

HWE

 

BTB-00352779 (BTA8)

CC

5

14.5

 

265

254.9

  

AC

13

3.4

 

50

60.2

  

AA

0

0.1

5.8

1

0.9

0.72

6.19e-07

  1. Abbreviations: HWE Hardy-Weinberg equilibrium χ 2-value (p > 0.05, df = 2), Obs. observed number of genotypes, Exp. expected number of genotypes, P-value determined using a 3 × 2 contingency table and Fisher’s Exact statistics (two-tailed)