Chipmunk face of Beta Thalassemia major

The investigations written below, are done for?? please explain..

identify the type of facies and name the condition in which it can be seen #LearningwithVisuals

35 yrs male -peripheral smear and cbc your opinions

4 yr male child Anaemia Ferritin 280 ug/L, percent saturation 45 %, SI/TIBC Normal, F 38%, A2 4.5%, A 55%. PBS

An interesting blood smear from a woman with anemia. How would you describe the RBC morphology? What's in your differential?