Which Statement Is False Concerning X Chromosome Inactivation

question 54

Multiple Choice

Which statement is false concerning X chromosome inactivation?  

• A) It is an accident of evolution.
• B) It is an example of dosage compensation.
• C) It is a gene control mechanism.
• D) It is responsible for the normal development of female embryos.
• E) It does not occur in males.

---

Definitions:

Bulla

An elevated, fluid-filled blister more than 5 mm in diameter that forms on the skin or mucous membranes.

Wheal

A small, raised, and often itchy area on the skin, typically resulting from an allergic reaction or as part of certain skin tests.

Confluent

Merging or flowing together, often used to describe skin lesions that have joined together.

Annular Lesions

Skin lesions that are circular or ring-shaped, often seen in conditions like ringworm or granuloma annulare.