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.
1. DNA is the genetic material of all cellular organisms. Cytosine, a nucleotide. Deoxyribonucleic acid (DNA) is the material substance of inheritance. All cellular organisms use DNA to encode and store their genetic information.DNA is a chemical compound that resembles a long chain, with the links in the chain made up of individual chemical units called nucleotides.act Sheet: DNA-RNA-Protein. Summary/Key Points. 1  DNA is the genetic material of all cellular organisms. 2  RNA functions as an information carrier or âmessengerâ. 3  RNA has multiple roles.