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Heredity is the passing on of characteristics from one to the next. It is the reason why children look like their . The process of heredity occurs among all living things including animals, plants, bacteria and . The study of heredity is called and scientists that study heredity are called .
Through heredity, living things inherit from their parents. Traits are physical . You look like your parents because you inherited your and skin color, ear shape, height, and other traits from them.
are the basic unit of structure of all living things. Tiny biochemical structures inside each cell called carry traits from one generation to the next. are made up of DNA (deoxyribonucleic acid) and DNA contains genes. Humans have 23 of chromosomes in each cell, except for cells which have only 23 chromosomes.