Please choose the correct answer to the question: Tay-Sachs disease is a recessive genetic disorder. If only one gene is present, an individual is a carrier. What is the probability of two healthy Tay-Sachs carriers having a child that has the disease?

Answer1: 0% Answer2: 25% Answer3: 50% Answer4: 75%

Answer format: answer1/answer2/answer3/answer4
Answer: answer2