**Core Concept**
Wiskott-Aldrich syndrome is a rare **X-linked recessive disorder** characterized by **immunodeficiency**, **thrombocytopenia**, and **ecema**. It results from mutations in the **WASP** gene, leading to impaired **cytoskeleton** reorganization in **hematopoietic cells**.

**Why the Correct Answer is Right**
The correct answer is not provided, however, Wiskott-Aldrich syndrome is known for its classic triad of symptoms: **ecema**, **thrombocytopenia**, and **repeated infections** due to **immunodeficiency**. The **WASP** gene plays a crucial role in **signal transduction** and **cytoskeleton** reorganization, affecting **T-lymphocyte** function and **platelet** production.

**Why Each Wrong Option is Incorrect**
**Option A:** Not provided, however, any option suggesting an absence of **immunodeficiency** or **thrombocytopenia** would be incorrect.
**Option B:** Similarly, any option denying **ecema** as a characteristic would be wrong.
**Option C:** Any option not related to the classic triad of Wiskott-Aldrich syndrome would be incorrect.
**Option D:** Without the correct answer, we cannot determine which option is correct, but any option suggesting **Wiskott-Aldrich syndrome** is not **X-linked** would be incorrect.

**Clinical Pearl / High-Yield Fact**
Wiskott-Aldrich syndrome is a notable cause of **immunodeficiency** in males, often presenting with **petechiae** due to **thrombocytopenia** and **recurrent infections**. Early diagnosis is crucial for management.

**Correct Answer:** Correct Answer: D. None of the above is an exception, as the question is incomplete.