sentences: a son is a kind of male offspring & offspring receives half of the genes from each parent & a father is a kind of male parent & a dad is a mean of son child ->  a son will receive half of the genes from his mother and his father  a son will receive half of the genes from his mother and his father & put are able to determine the inherited fans of a inanimate place -> a son will receive traits determined by the genes of his mother and the genes of his father