KROK 1 2016 – Question 93 · KROK (Medicine) · Biology
A family of healthy students, who have arrived from Africa, gave birth to a child with signs of anemia. The child has died shortly after. Examination has revealed that the child’s erythrocytes are abnormally crescent-shaped. The disease is characterized by autosomal recessive inheritance. Determine the genotype of the child’s parents:
- A. aa x aa
- B. AA x AA
- C. Aa x Aa
- D. Aa x AA
- E. Aa x aa
Hint
Work backward from an affected child of a recessive disease with two healthy parents to what each parent must carry.
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