Turner syndrome is caused by monosomy of the X chromosome (45, X), presenting with symptoms such as short stature, webbed neck, and underdeveloped sexual characteristics.
| List I | List II |
|---|---|
| A. Heart | III. Atrial natriuretic factor |
| B. Kidney | I. Erythropoietin |
| C. Gastrointestinal Tract | IV. Secretnin |
| D. Adrenal Cortex | II. Aldosterone |


