Is it possible for cells from the same tumor to have different genetic material, and if so, to what degree is it possible (how fast do they mutate) ?
If there are wrong DNA pair, for example A=G, is there mechanism that could repair such things - after the replication was finished? Or it happens only during replication?
As I understand it, in yeast ageing there is daughter cell and mother cell. The daughter cell is has newly "fresh" DNA and mother cell dies after some counts of replication. What happens to the ...