Fetal Akinesia Deformation Sequence 3, also known as fads3, is related to fetal akinesia deformation sequence 1 and spinocerebellar ataxia 20. An important gene associated with Fetal Akinesia Deformation Sequence 3 is DOK7 (Docking Protein 7). Affiliated tissues include lung and breast, and related phenotypes are short neck and micrognathia