Genome of model organisms Organism Number of Bass Pair Numbe r of Gene Bacteriop hage 10 thousand - Escherichi a coli 4.7 million 4,000 Saccharo 12 million 6,000 myces cerevisiae Caenohab ditis 97 million 18,000 elegans Drosophil a 180 million 13,00 melanoga ster Human 3 million 30,000 Lily 106 billion -