<prompt> The population frequency for phenylketonuria is 1 in 10,000. What is the carrier frequency for the disease?Jan-501100150011000  <response>: a. 150Ref: Nelsons 20e p 598It is based on Hardy Weinberg principle: Simplifying it,Carrier frequency for an autosomal recessive disorder twice the square root of disease incidenceSo 2 X square root of 110,000 gives 150 as the answer. 