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Practice: Inherited Disorders

PKU is an inherited disorder caused by a recessive allele (r). A male who is homozygous for the disorder reproduces with a heterozygous female.

What is the genotype of the male homozygous for PKU?

  • ARr
  • Brr
  • CRR

What is the genotype of the female heterozygous for PKU?

  • ARr
  • Brr
  • CRR

What is the probability that a child of theirs will inherit the disorder PKU?

%

What is the probability that a child of theirs will be a carrier of the PKU allele?

%

Correct Answer

Incorrect Answer

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