Is academic performance good or bad because of genetics? My father's several brothers and children are very poor, is it that they have bad genes, and then my learning

If you believe so, I'm afraid you will see more and more of your own poor side, which is the "Matthew effect" in psychology. This is called the "Matthew Effect" in psychology. At its root, it is the result of your lack of belief in yourself. It's not genetics or anything like that.

Of course, I have to say, the word "excellence" is not as the school has been publicized "2% inspiration + 98% sweat", which is actually Edison's modest words. It must be recognized that the importance of the innate ability factor. However, even if you can not become famous, for a person with normal intelligence, as long as you have the confidence to do, it is not possible to become a "scum" forever. As long as the heart to analyze it is not difficult to find that every student at the bottom of the ranking of the subjective reasons.

So don't belittle yourself. As long as you are still willing to go up the power, find the right direction and method, you can eventually see the harvest!