True or false: an old fashioned can be served with fruit or without fruit.

The Old Fashioned is literally, the old-fashioned way of making a cocktail.  An old fashioned was served originally without fruit.  Although nowadays, it can be served with a twist (strip or peel ) of lemon or orange.  As the saying goes, There is no orange slice in an Old Fashioned.  There is no cherry in an Old Fashioned. & You do not mash up fruit of any kind in an Old Fashioned.

An organism's genotype is a major (the largest by far for morphology) influencing factor in the development of its phenotype, but it is not the only one. Even two organisms with identical genotypes normally differ in their phenotypes. One experiences this in everyday life with monozygous (i.e. identical) twins.