Answer: Heredity is a biological phenomenon that involves transfer of genetic information from parents to their next generation that is to their offsprings. The genetic information is transferred through genes, which are the basic unit of heredity. In simple terms heredity reflects the inheritance of traits ( like skin tone, eye color) by children from their parents.
Genes are the segments of DNA that contain genetic instructions in the form of nucleotide sequences.
Thus, heredity is defined as the passage of genetic instructions from one generation to the next generation.