Ewing's sarcoma is characterized by:
ASmall round blue cell tumor with CD99 positivity
BOsteoid formation by malignant cells
CCartilage matrix production
DGiant cell proliferation
The labia majora develop from which embryological structure?
AUrogenital folds
BLabioscrotal swellings
CMüllerian ducts
DGenital tubercle
What is the pattern of inheritance in neural tube defects?
AMultifactorial inheritance
BAutosomal recessive
CX-linked dominant
DAutosomal dominant
EX-linked recessive
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