Table 2.

Nucleotide Frequencies and Proportions in Zebrafish Protein-coding Genes

Codon position A Nucleotide T
C G
All3399271717653522
0.300.240.150.31
11053871971906
0.280.230.260.24
271310205101558
0.190.270.130.41
316338262841058
0.430.220.070.28