Biology A (J247)
Gama.ir
J247/01 Biology (A) Foundation Nov 2021 Quiz | OCR GCSE MCQ

Human fetuses have a different form of haemoglobin to adults.
When a baby is born, a gene called BCL11A produces a protein that switches off the production of fetal haemoglobin.
Sickle cell disease affects adult haemoglobin but not fetal haemoglobin.
Scientists are trying to treat sickle cell disease by targeting the BCL11A gene.
How could this new treatment for sickle cell disease work?