BIO 465 Lecture Notes - Lecture 2: Wisdom Tooth, Epistasis, Ontogeny
Document Summary
Species that slightly di er from island to island. Common ancestry among cat, humans, whales, and bat. Human dna into bacteria makes human insulin. Same dna code against all life on planet. Only one wing shape = due to physics and limited # of. Trait not currently used but exists due to common. Used to select against , or extra traits are costly, or. Ex: pigeons , agriculture, dog breeds , an(cid:2210)bio(cid:2210)c or pes(cid:2210)cide resistance. In natural selec(cid:2210)on, each step has to improve tness !! Darwin"s demons: the ul(cid:2210)mate end of natural selec(cid:2210)on should be in nite and immortal. Muta(cid:2210)on, recombina(cid:2210)on/gene interac(cid:2210)on (cid:336)epistasis(cid:337), and varia(cid:2210)on in the enviornment.
