In other species: chicken , turkey , dog , pig , taurine cattle , rabbit , California condor

Categories: Skeleton phene (incl. short stature & teeth)

Mendelian trait/disorder: yes

Mode of inheritance: Autosomal recessive lethal

Disease-related: yes

Key variant known: no

Species-specific symbol: ch

History: This disorder was first reported by Collins et al. (1968)

Inheritance: Collins et al. (1968) reported autosomal recessive inheritance, with embryonic lethality.

Clinical features: As reported by Collins et al. (1968), "a normally shaped head and neck, and normal eyes. The upper mandible was shortened and sometimes curved. The lower mandible was deformed and markedly shortened and occasionally absent. The limbs were shortened and the tibiae and tarso-metatarsi bent. Ventral body surface hemorrhages were frequently present." They also reported that the trait is "lethal at 8 to 10 days of incubation."