Please choose the correct answer to the question: Sickle cell anemia is a genetic disease caused by an autosomal recessive gene. If each parent carries one sickle cell allele, what are the chances that their child will have sickle cell anemia?

Answer1: no chance Answer2: one in four Answer3: two in four Answer4: three in four

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