List one genetic technology that scientist have developed? what is one advantage and one disadvantage of using this technology?

Gene therapy
 It is the process of genetically engineering human beings by replacing defective genes.
 It has the advantage of curing several rare diseases.
 The disadvantage of gene therapy is the problem of passing over such genes which have been introduced into the population. There is no agreement on the effect that such genes would have on the future of the race.

In my own word cell technology can  lead to advances in the understanding of diseases mechanism and transmission because diseases is very bad

When the ball is rising up, it gains kinetic energy. when the ball reaches the very top, it will have all potential energy, until it falls back down and gains it kinetic energy. finally when you catch the ball or it falls back down, it would have gained its potential energy back.