Fruit characteristics in individual plants

Hey, I hope everyone is having good and warm weather.
 
How much can the characteristics of the fruits vary on the same plant? Color, I presume, is a constant value not including various pigment or saturation varieties. Also self evident is the difference in shape and size. I've a Trinidad Scorpion that had produced relatively smooth or a little bumpy full grown fruit in late summer/fall that now produces what looks like my great grandma. To better define the question: To what extent can definitive characteristics of fruit change in one plant so much that it is reasonable to assume that it can occur more than once?

I'm not sure I understand the question fully but I think it depends on how stable the variety is. If it's a "landrace" variety thats been grown for generations in isolation then technically speaking there should be very little (if any) genetic variation but even then, no two pods will look the same which makes me question what the true definition of genetic variation is.. BUT there are so many factors that go into it. Growing conditions being the most influential deciding factor in my opinion (soil, temperature, pest pressure etc etc...)

Edmick said:

I'm not sure I understand the question fully but I think it depends on how stable the variety is. If it's a "landrace" variety thats been grown for generations in isolation then technically speaking there should be very little (if any) genetic variation but even then, no two pods will look the same which makes me question what the true definition of genetic variation is.. BUT there are so many factors that go into it. Growing conditions being the most influential deciding factor in my opinion (soil, temperature, pest pressure etc etc...)

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I fully agree that the environmental factors play the largest part in determining the overall characteristics of the end "product".
 
To clarify, my question would be: How much change in the characteristics of the fruit can be expected from THE SAME PLANT by only changing the environment? As I mentioned earlier there are some major constants that usually do not change across time on the same specimen such as color - a red habanero will not turn to a chocolate over time. In my situation I experienced change in texture in multiple generations (on the same plant, not as F1, F2 etc. multiple plants) and I'm wondering what is the reason for that change - genetics or environmental influence. 
Especially in the case of hybrids (crosses) how likely are changes in characteristics on multiple fruits on the same plant across time and how much change can be expected - color, texture, size, shape, pungency. Can one plant give completely polar fruit or is there always a dominating median?