This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Which of the following is Autosomal Dominant: 
Select and explain. 
A. Retinoblastoma, B. Ataxia telangiectasia, C. Bloom's syndrome, D. Xeroderma pigmentosa
A: Retinoblastoma
Answer: A: Retinoblastoma 
Explanation: Answer A (Retinoblastoma) : Retinoblastoma presents dominant inheritance with variable penetrance