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Kaplan Qbank USMLE



Author3 Posts
  #1

You encounter a pt who is phenotypically female. Karyotype analysis reveals a normal-looking 46 XY. Molecular biologic investigation of Y chromosome DNA sequences shows deletion of testis-determining factor (TDF). If pt had a 46 XX karyotype with TDF region of Y chromosome translocated into X chromosome the pt would:

a) be phenotypically female
b) be phenotypically male
c) be a hermaphrodite
d) exhibit Turner syndrome
e) exhibit Kleinfelter's syndrome

  #2

phenotypically male

  #3

correct grin







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