Deoxyribonucleic acid (DNA) is a molecule that encodes an organism's genetic blueprint. In other words, DNA contains all of the information required to build and maintain an organism.
Chattel slavery, also called traditional slavery, is so named because people are treated as the chattel (personal property) of the owner and are bought and sold as if they were commodities. It is the least prevalent form of slavery in the world today.
Slavery is a concept that was coined in ancient Egypt. However, the concept was completely different to what the world conceives it to be. In Egypt, the slaves were known as Hem. There were several types of slaves and due to different circumstances.