Genes is the basic physical and functional unit of heredity. Genes has the DNA which has the instruction to make many molecules of proteins.In humans we have 20,000 to 25,000 genes and the working subunits of the DNA.In genes we have chromosomes which has the coiled DNA.genes are superbly complex that it has the blueprint of what will be you are. Inside the DNA are a enigma and cryptic which still now are cannot be understood.
Gene is a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.