Name the chemical substance that is the material basis of heredity.

Deoxyribonucleic acid is the main substance that is necessary for the preservation of hereditary information. This is a macromolecule that has not yet been fully studied. Many data genetics were able to decipher. This knowledge is already being used in genetic engineering to develop new varieties of plants and new breeds of animals. Also, it is possible to find the probabilities of transmission of genetic diseases. But due to insufficiently developed technologies, some gaps in this science remain. But soon all the answers will be found.