Because sickle cell anemia is an autosomal recessive disease, there is a __________ % chance that the child of two carriers will have the disease.
A) 50
B) 25
C) 100
D) 0

Question

Quizplus · Accepted Answer

When two carriers of an autosomal recessive disease have a child, each parent passes on one copy of the mutated gene, resulting in a 25% chance that the child will receive two copies of the mutated gene and thus have the disease. The other possible outcomes include a 50% chance of the child being a carrier like the parents, and a 25% chance of the child not inheriting any mutated gene. Therefore, the correct answer is B) 25.

Because Sickle Cell Anemia Is an Autosomal Recessive Disease, There