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A 2-year-old boy is brought to the physician because of mental retardation. Physical examination shows hirsutism and micrognathia. A review of the patient's records shows cardiac and renal abnormalities. Karyotypes are performed for both parents and the child, and the results are shown.
click to enlarge
Which of the following events is most likely responsible for the findings in this patient?
A. Adjacent I segregation
B. Adjacent II segregation
C. Alternate segregation
D. A recombination event within a paracentric inversion
E. A recombination event within a pericentric inversion
Source: Kaplan Q bank

click to enlarge
Which of the following events is most likely responsible for the findings in this patient?
A. Adjacent I segregation
B. Adjacent II segregation
C. Alternate segregation
D. A recombination event within a paracentric inversion
E. A recombination event within a pericentric inversion
Source: Kaplan Q bank