Drosophila melanogaster (fruit fly) can be used to illustrate simple Mendelian ratios and linkage in Genetics.Our Drosophila small value pack contains:1 x small stock cultures of Wild Type Drosophila melanogaster produces 60-70 flies1 x small stock culture of White Eye Drosophila melanogaster produces 60-70 flies10 x breeding tubes containing food.Instruction leaflet included.Also available as a large value pack (B8A03542).