In naturally occurring xanthinuria a familial or congenital defect in xanthine oxidase activity is likely In Cavalier King Charles spaniels an autosomal recessive mode of inheritance has been supposed to occur

Could you correct the punctuation please?
In naturally occurring xanthinuria, a familial or congenital defect in xanthine oxidase activity is likely. In Cavalier King Charles spaniels, an autosomal recessive mode of inheritance has been supposed to occur.