<prompt> Lesch Nyhan -X-link recessiveADARX-link dominant  <response>: Ans. is a i.e., X-link recessive Ref: Nelson 18the Chapter 89Lasch nyhan disease LNDo X-link recessive disordero Defect in purine metabolismo Deficiency of HPRT enzymeo Manifest as hyperuricemia, intellectual disability, dystonic movement disorder like chorea-athetosis, spasticity, dysarthric speech. 