Danica, age 28, is very short in stature, has an abnormally small jaw, and her neck has extra folds of skin. Danica has never ovulated and she has underdeveloped breasts. Danica suffers from ____syndrome.

Question

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The characteristics described here are common in individuals with Turner syndrome, which is caused by a missing or incomplete X chromosome. This can lead to short stature, abnormal jaw and neck development, delayed puberty or absence of menstruation, and underdeveloped breasts. Klinefelter syndrome (A) is characterized by males with an extra X chromosome, resulting in infertility and other physical and developmental differences. Triple X (B) and XYY (C) are both variations of sex chromosome aneuploidy in which individuals have an extra X or Y chromosome. These conditions can also have physical and developmental differences, but the characteristics described in the question are not consistent with these syndromes.

Danica, Age 28, Is Very Short in Stature, Has an Abnormally