Phenotype ke eng?
Ka liphatsa tsa lefutso le liphatsa tsa lefutso, mofuta oa ponahalo ke letoto la litšobotsi tse ka bonoang kapa litšobotsi tsa sebōpuoa. Polelo ena e akaretsa sebopeho sa' mele (sebopeho sa' mele le sebopeho), mekhoa ea eona ea ho hōla, litšobotsi tsa eona tsa lik'hemik'hale le tsa' mele, boitšoaro ba eona, le lihlahisoa tsa boitšoaro. Sebōpeho sa'mele se bakoa ke lintlha tse peli tsa motheo: ho hlahisoa ha khoutu ea liphatsa tsa lefutso ea'mele (mofuta oa eona oa liphatsa tsa lefutso) le tšusumetso ea lintlha tsa tikoloho. Lintho tsena ka bobeli li ka 'na tsa sebelisana, tsa tsoela pele ho ama mofuta oa ponahalo. Ha mefuta e'meli kapa ho feta e fapaneng ka ho hlaka e le teng molokong o le mong oa mofuta o itseng, mofuta oo o bitsoa polymorphic. Mohlala o ngotsoeng hantle oa polymorphism ke Labrador Retriever coloring; ha'mala oa boea o itšetlehile ka liphatsa tse ngata tsa lefutso, o bonoa ka ho hlaka tikolohong e le mosehla, e ntšo le e sootho. Richard Dawkins ka 1978 le hape ka 1982 bukeng ea hae The Extended Phenotype o ile a fana ka maikutlo a hore motho a ka nka lihlaha tsa linonyana le meaho e meng e hahiloeng joalo ka linyeoe tsa li-larva tsa caddisfly le matamo a beaver e le "li-phenotypes tse atolositsoeng".  Wilhelm Johannsen o ile a etsa tlhahiso ea phapang ea genotype<unk>phenotype ka 1911 ho hlakisa phapang pakeng tsa boitsebiso bo futsitsoeng ba setho le seo boitsebiso boo bo futsitsoeng bo se hlahisang. Phapang ena e tšoana le e ileng ea etsoa ke August Weismann (1834<unk>1914), ea ileng a khetholla pakeng tsa li-germ plasm (lifa) le lisele tsa somatic (mmele). Morao tjena, bukeng ea The Selfish Gene (1976), Dawkins o ile a khetholla likhopolo tsena e le li-replicator le li-vehicle.  Phapang ea genotype<unk>phenotype ha ea lokela ho ferekanngoa le thuto e ka sehloohong ea Francis Crick ea baeloji ea limolek'hule, polelo e mabapi le tataiso ea tlhaiso-leseling e latellanang ea limolek'hule e tsoang ho DNA ho ea ho protheine, eseng ka lehlakoreng le leng.