Ka mantsoe a bonolo, sepheo sa "liphatsa tsa lefutso" se bolela ntho leha e le efe e amanang le likarolo tsa liphatsa tsa lefutso tse teng ka har'a sele e 'ngoe le e' ngoe e phelang. Liphatsa tsa lefutso ke tsona motheo oa bophelo bo botle ba batho le tse ling tse phelang.
Genese
Liphatsa tsa lefutso li entsoe ka DNA, kapa deoxyribonucleic acid. Ho ea ka Human Genome Project - ho etsa lipatlisiso ka lichaba tse ngata tse etselitsoeng ho khetholla le ho sheba 'mapa oa liphatsa tsa lefutso tsa batho - re hakantsoeng ke liphatsa tsa lefutso tse 20 000 - 25,000.
Ka ho makatsang, hoo e ka bang karolo ea 99% ea liphatsa tsa lefutso li tšoana le batho bohle, le karolo e setseng e setseng e ikarabellang bakeng sa phapang eo re e bonang bophahamong, 'mala oa letlalo, boima ba' mele le litšobotsi tse ling tsa 'mele.
The Genetic Theory of Aging
Tlhaloso ea lefutso ea botsofali e fana ka maikutlo a hore nako e telele e boetse e khethoa ke liphatsa tsa rona tsa lefutso, mme lipatlisiso tse ling - tse kang lithuto tse amanang le mafahla a tšoanang - li tšehetsa khopolo ena. Liphuputso tse ling li hakantsoitse hore bophelo ba motho bo na le hoo e ka bang 25% feela bo bakoang ke bophelo ba bona ba lefutso le ho ba le tšusumetso e kholo ea ho phela ka tsela e kang ho ja le ho ikoetlisa, le mekhoa e kotsi joaloka ho tsuba kapa ho sebelisa joala hampe.
Ho feta moo, phuputso e entsoeng ea saense ea bophelo bo botle e ikemiselitse ho etsa qeto ea hore na ke hobane'ng ha liphatsa tsa lefutso tse itseng li "fetoloa" 'meleng,' me tse ling ha li etsoe, ho baka likarolo tse itseng tsa tlhaho kapa ts'oaetso ea mafu, ka mohlala. Ho bitsoa epigenetics, sebaka sena sa lipatlisiso se sheba lintho tse susumetsang mathata a kang a bakhachane kapa tlhahiso ea tikoloho, 'me bonyane ba hlalose hore na ke hobane'ng ha mafahla a tšoanang a e-na le phapang ea' mele le hoja a e-na le liphatsa tse tšoanang tsa lefutso.
Genetic vs. Hereditary
Le hoja lentsoe la liphatsa tsa lefutso le atisa ho sebelisoa ka tsela e sa lumellaneng le sephetho sa lefutso, mantsoe ana ha a bolele ntho e le 'ngoe feela. Ka mohlala, kankere ke lefu la liphatsa tsa lefutso kahobane le akarelletsa liphatsa tsa lefutso ka seleng (e leng se etsang hore sele eo e arohane ka mokhoa o sa laoleheng), empa kankere ka boeona e ka bakoa ke ho hlahisa letsatsi kapa koae 'me ha ho joalo hore e futsitsoe ho batsoali ba hao.
Lisebelisoa:
Sephatsa sa lefutso ke eng? Li-Institutes tsa Bophelo tsa Sechaba tsa US "Home Reference Reference" Leqephe la Boitsebiso ba Sechaba. https://ghr.nlm.nih.gov/primer/basics/gene