<prompt> Adult PCKD is?Autosomal dominantAutosomal recessiveX-linked recessiveMitochondrial inheritance  <response>: Ans is a i.e. Autosomal dominant o ADPKD is an autosomal dominant disorder characterized by multiple expanding cysts of both kidneys that ultimately destroy renal parenchyma and cause renal failure in middle life 40-60 years of ageo Most commonly 85 mutation involves PKD 1 gene on chromosome 16 encoding for polycystin 1 followed by PKD2 gene on chromosome 4 encoding for polycystin 2. 