ABMGG Clinical Genetics & Genomics Practice Questions - Clinical Genetics And Genomics (ABMGG) Exam

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A 6-month-old infant is found to have trisomy 21 on karyotype. The parents are both 28 years old. Parental karyotypes reveal the mother carries a Robertsonian translocation t(14;21). What is the recurrence risk for trisomy 21 in future pregnancies?

1% 5% 10-15% 100%

Correct Answer:

10-15%

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