an insect is a kind of animal & a fruit fly is a kind of fly & a fly is a kind of insect -> a vegetable riding is a mean of plant a fruit fly is a kind of animal  a vegetable riding is a mean of plant & animals reproduce sexually -> fruit flies reproduce sexually fruit flies reproduce sexually  fruit flies reproduce sexually & zero child is the sink of 50% of the distance in a fertilized hatched through sexual original -> each fruit fly parent is the source of 50% of genes in a fertilized egg