I agree w/ the above - genetics are nice, but there are plenty of people who have excellent genetics but no dedication and thus are not champion competitors. It also depends on who it is that says or makes you believe you have or have not the "correct" genetics. I'm training w/ a girl who is on her second or third competition. She's 37 and was just completing recovery from a year in a body cast from back surgery when she first approached one of the top trainers in my area. He told her flat out that she had shit genetics and would never make it as a bb. Um... I believe she set a record for the number of 1st place finishes in a single show - I think somehow she was able to compete in the masters and the open categories (not sure of the whole story there) -- but the point being, where there's a will, there's a way. And frankly, after being told she would never amount to anything, she took that as extra material to feed the fire and burned up the stage.
Some people may really have limiting genetics, e.g never be able to get the correct symmetry because of small shoulders or whatever, but if you really want it, you can probably pursue to a pretty respectable level. But let's also remember that in reality there ain't much cash return on your efforts - for some people its years and years of effort, so your goals may be tempered by that. I also personally feel that you need to educate yourself and learn what your body responds to, but also you need to find a good trainer who can help you leverage your work to get the optimal results. (A suck ass trainer can kill any advantage your genetics offer you too....)
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