From: Codon usage is associated with the evolutionary age of genes in metazoan genomes
θ
cos(θ)
p-value
θ(human, mouse)
18.3°
0.9494
3.6 × 10-12
θ(human, fly)
37.0°
0.7984
8.5 × 10-9
θ(mouse, fly)
29.3°
0.8719
2.3 × 10-10