<prompt> Kinky hair disease is due to defect in ?Iron transpoCalcium transpoCopper transpoMagnesium transpo  <response>: Answer- C. Copper transpoKinky Hair DiseaseSteely Hair Disease, Menkes disease, Copper Transpo DiseaseIt is a X-linked recessive disorder that affects copper levels in the body, leading to copper deficiency.It is caused by mutations in the copper transpo gene, ATP7A located on chromosome Xq21.1, which is responsible formaking a protein that is impoantfor regulating the copper levels in the body.It is characterized by kinky hair, growth failure, and deterioration ofthe nervous system. 