This is the gross appearance of placenta from a 31 year old female in the second trimester of pregnancy. A malformed fetus with marked intrauterine growth retardation was present. Cytogenetic analysis of this tissue is most likely to yield which of the following karyotypes.

A 47, XXY

B 69, XXY

C 46, XX

D 47, XY, +18

E 23 X

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