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Table 1 The \(\chi_{9}^{2}\) analysis of 100 dinucleotides of 25 ATGC tandem repeats

From: Selective intra-dinucleotide interactions and periodicities of bases separated by K sites: a new vision and tool for phylogeny analyses

2° Base

0 Separation

Adenine

Thymine

Guanine

Cytosine

Total

1° Base

Exp

Obs

Exp

Obs

Exp

Obs

Exp

Obs

Exp

Obs

Adenine

6.25

0

6.25

25

6.25

0

6.25

0

25

25

Thymine

6.25

0

6.25

0

6.25

25

6.25

0

25

25

Guanine

6.25

0

6.25

0

6.25

0

6.25

25

25

25

Cytosine

6.25

25

6.25

0

6.25

0

6.25

0

25

25

Total

25

25

25

25

25

25

25

25

100

100