Figure 4 of
Lyon, Mol Vis 2000;
Figure 4. Fetuses at 14.5 days of gestation
A. Normal littermate. B. Coop/+ with small eye and abnormally shaped pupil. C. Coop/Coop with very small vestige of eye and small snout with no nasal opening. D. Coop/Sey4H is very similar to Coop/Coop (C).