Hank explains that animals are more similar to us than we imagined. He compares the ways in which different organisms develop and shares the statistic that we are 85% similar to mice. This statistic means that, along the way, the process of development has evolved. 

Key Words: Evo-devo, Developmental Regulatory Genes, Gap Genes, Hox Genes, Regulatory Genes, Unfertilized Egg, Gene Products