There is no gene "for" such unambiguous bits of morphology as your left kneecap or your fingernail. [...] Hundreds of genes contribute to the building of most body parts and their action is channeled through a kaleidoscopic series of environmental… — Stephen Jay Gould Copy Share Image
![“There is no gene "for" such unambiguous bits of morphology as your left kneecap or your fingernail. [...] Hundreds of genes contribute to the building of most body parts and their action is channeled through a kaleidoscopic series of environmental influences: embryonic and postnatal, internal and…” quote by Stephen Jay Gould](https://sms4smile.com/quotes/img-quotes/13d/stephen-jay-gould-885_action_there-is-no-gene-for-such-unambiguous-bi_511416.jpg)