BMP7

 Basisphenoid bone and the xyphoid cartilage
 Fused ribs and vertebrae
 Retarded ossification of bones
 Underdeveloped neural arches of the lumbar and sacral vertebrae
 Polydactyly of the hind limbs
 Kinked tail
 Reduced number of nephrons
 Polycystic kidney
 Lack of retinal pigmentation
 Retarted lens development

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