Individuals with sickle cell trait are usually free of symptoms themselves but can pass the sickle cell gene on to their children.
(Individuals with sickle cell trait; are; T:usually; free of symptoms) (Individuals with sickle cell trait; can pass on; to their children)
Individuals with sickle cell trait Individuals with sickle cell trait
are can pass on
T:usually free of symptoms
to their children