This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lymphoid tissue & Integumentary system, Subject name: Anatomy
Which of the following statements concerning skin melanocytes is true? 
Select and explain. 
A. They synthesize a pigment that protects against damage caused by UV radiation., B. They are located only in the dermis., C. They produce keratohyalin granules., D. They may give rise to basal cell carcinoma
A: They synthesize a pigment that protects against damage caused by UV radiation.
Answer: A: They synthesize a pigment that protects against damage caused by UV radiation. 
Explanation: Melanocytes are present in the stratum basale of the epidermis. They synthesize melanin pigment and transfer it to keratinocytes to protect against damage caused by UV radiation. Melanocytes can give rise to a form of skin cancer called malignant melanoma. They derive from neural crest and migrate into the epidermis early during embryonic development.