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Table 1 Genotype frequencies of the GNAT1 marker in F2 hatchlings

From: Rapid fixation of non-native alleles revealed by genome-wide SNP analysis of hybrid tiger salamanders

 

CC

CT

TT

χ2

P (df = 2)

Family 1

35

29

26

13.18

0.00138

Family 2

32

30

25

9.51

0.00863

Combined

67

59

51

22.56

0.00001

  1. The native allele is represented by "C" and the introduced allele by "T". The χ2 test compares the observed counts to Mendelian expectations (1:2:1). Family 1 and Family 2 are not significantly different (χ2 = 0.12, df = 2, P = 0.9417).