AFAIK apple varieties don't change over time, because the same genes are used over and over by grafting the trees instead of growing from seed. This is because

AFAIK apple varieties don't change over time, because the same genes are used over and over by grafting the trees instead of growing from seed. This is because seedlings produce wildly different characteristics from their parents. http://en.wikipedia.org/wiki/Apple#Breeding http://en.wikipedia.org/wiki/Apple#Breeding