Answer the following question given this paragraph: 

Sickle-Shaped and Normal Red Blood Cells. Sickle cell anemia is an autosomal recessive disorder. The mutation that causes the disorder affects just one amino acid in a single protein, but it has serious consequences for the affected person. This photo shows the sickle shape of red blood cells in people with sickle cell anemia.


Q: Sickle cell anemia is what type of disorder?


A:
autosomal recessive disorder