Absent/hypoplastic radius is a feature of?

Ans ARadial hypoplasia more commonly a sporadic mutation rather than an inherited condition. In case of an inherited condition, several syndromes are known such as the Holt- Oram syndrome, VATER syndrome, Fanconi anemia and TAR syndrome. Other possible causes are an injury to the apical ectodermal ridge during upper limb development, intrauterine compression & maternal drug use (thalidomide).