A young man went to the doctor because he had small testes and enlarged breasts. Through chromosomal testing, it was determined that this young man had the sex chromosomes XXY. Identify the syndrome with which this young man was MOST likely diagnosed. A. Turner syndrome B. Klinefelter syndrome C. Cri du Chat syndrome D. Down syndrome

Examine the karyotypes of Jacob and PAtau syndromes. List the similarities and differences between these two syndromes. which is more severe?

When entering puberty, Terry is identified as having XY gonadal dysgenesis, also known as Swyer syndrome. Which of the following characteristics does Terry most likely have? a.Terry has neither a typical male nor female chromosome configuration and has neither ovaries nor testes. b.Terry has the typical male XY chromosome configuration but very low levels androgens and female genitalia including a vagina. c.Terry has the typical female YY chromosome configuration but displays high levels of androgens resulting in male genitalia. d.Terry has the typical XY chromosome configuration but very high levels testosterone resulting in exaggerated male genitalia.

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