Can someone shed some light on this and tell me,
1. Why there are 3 rows for each position?
2. What software generates this type of annotation?
3. What is each column? I assume it is a standard format.
I found the header actually, for now, my main question is why do we have 3 lines per each snp? And what is the Ref and what is the Anc.
The header for the first few columns is: