Single-gene disorders (sickle-cell anaemia, thalassaemia, cystic fibrosis, PKU, Huntington's disease), multifactorial disorders, and genetic counselling, screening and prenatal diagnosis.
Deshapriya Senevirathne. B.Sc. (Hons) Biology Special, University of Peradeniya — graduated with a class pass. All the content and lessons in A/L Biology on Paadama are reviewed by Deshapriya Senevirathne, and the lessons are taught by him.