American student, David - not his real name - explains why he chooses to buy illegal drugs on the so-called 'dark web'. You don't have to go in front of a street dealer, where there might be a risk of violence, he adds. And it is not just drugs which are available on this online black market. Fake passports, guns - even child pornography.
Genetic material is that substance which not only controls the inheritance of traits from one generation to the next but is also able to express its effect through the formation and functioning of the traits. Components of genetic material which control characters are called genes. Genes are located over chromosomes. In sexually reproducing organisms, an indiÂ­vidual receives one genome or one set of chromosomes (and hence genes) from male parent and a second genome or set of chromosomes from female parent.
By Hereditary diseases we mean those diseases which are genetic in nature. These genetic disease passes from parents to their offspring.Many researchers and scientists have tried working out cure for such diseases in the answer of which they often suggest that the genetic makeup needs to be changed and modified which is infact an interference with the nature works.The list is as under;eart diseases are of many kinds and most of them are genetic in nature such as, high blood pressure disease and heart strokes. These diseases make your heart more vulnerable to heart attacks by either weakening arteries or blocking them.