Logga in
WAEC - Biology (2003 - No. 39)
Sickle-cell anaemia has persisted in the human race due to
lack of proper medical care for sicklers
carriers being more resistant to malaria
mosquito vectors
wildlife intermediate hosts
Kommentarer (0)
Logga in för att kommentera
Annons
Tillåt javascript att ladda den här sidan korrekt
