Table 1 Pseudogene frequencies in four caves among vision, circadian clock and pigmentation genes

Ψ-sagb

Vision

Deletion

0.39

0.05

Ψ-cryba2a

Vision

premature stop

0.40

0.39

Ψ-pde6b

Vision

deletion

0.67

Ψ-rh1.2

Vision

premature stop

0.35

Ψ-per2

circadian clock

insertion

1.00

Ψ-kif13a

pigmentation

insertion

0.25

Ψ-tyrp1a

pigmentation

deletion

0.94

0.85

0.58

Ψ-csf1rb

pigmentation

start loss

0.44

0.10

Ψ-cd63

pigmentation

premature stop

0.26

Ψ-drd2b

pigmentation

deletion

0.11

Ψ-hps4

pigmentation

premature stop

1.00