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#Question id: 5333


Phenylketonuria a metabolic disease in human is caused by recessive allele k. if two heterozygous carriers of allele marry and have three children, what is the chance that all children will be affected?

#Human Biology
  1. 1/4              

  2. 1/64         

  3. 1/8              

  4. 1/16


Answer:- Option(s): 2


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