There are many answers to your question, but they can all be summed up to this one answer: Things are genetically modified to increase monetary profit margins. You should next ask how will this modified food affect us all biologically.
someone
Mostly food which have been gentically modified by asians
no
Depends on the fruit you use.
The process is called breeding.
Pigment in the iris, the color of which is gentically detemined.
Vaccines can be made from a live microbs that are gentically modified to produced limited infection. they usually harmless and act as good antigens to trigger immune respon because they can multiplying in the body, example of it is mycobacterium bovis to act against tuberculosis. (BCG vaccination)
Pearls of wisdom
I am very careful not to eat GMO foods as there is no knowing what the long term effects of it are. I have seen reports of animals getting sick & dying after eating GM crops. It's too risky. Only way to avoid it is to eat only Certified organic produce. Good Health!
Blue eyes are caused by a different gene than brown eyes.
Battery chickends and other things like that
Highly Modified: Its highly modified Least Modified: Its Least modified