People who have migrated from the planes to an area adjoining Rohtang pass about six months backA. Have more RBCs and their haemoglobin has a lower binding affinity to `O_(2)`B. Are not physically fit to play games like footballC. Suffer from altitude sickness with symptoms like nausea fatigue etcD. Have the usual RBC count but their haemoglobin has very high binding affinity to `O_(2)`

People who have migrated from the planes to an area adjoining Rohtang

1.	People who have migrated from the planes to an area adjoining Rohtang pass about six months backA. Have more RBCs and their haemoglobin has a lower binding affinity to `O_(2)`B. Are not physically fit to play games like footballC. Suffer from altitude sickness with symptoms like nausea fatigue etcD. Have the usual RBC count but their haemoglobin has very high binding affinity to `O_(2)`
Answer» Correct Answer - A People going to hilly areas will have polycythemia (more number of RBC in blood) after six months and their Hb has a lower binding affinity to `O_(2)`.

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