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#Question id: 12491


Phenylketonuria shows autosomal recessive inheritance with an incidence of 1 in 10000. Assume that the population is in Hardy-Weinberg equilibrium. Which of the following is correct?

#Part-A Aptitude & General Biotechnology
  1. The frequency of the mutant allele is 1 in 1000.
  2. The frequency of the normal (wild-type) allele is 49/50.
  3. The carrier frequency is 1 in 100.
  4. The carrier frequency is approximately 1 in 50.