Epigenetics, ib qho kev tshwm sim ntawm cov noob caj noob ces, tau qhia tias Lamarck tej zaum yuav yog qhov tsawg kawg ib feem raug tag nrho. … Cov neeg thuam xws li evolutionary biologist Jerry Coyne taw tes hais tias epigenetic qub txeeg qub teg nyob rau ob peb tiam xwb, yog li nws tsis yog ib tug ruaj khov lub hauv paus rau evolutionary hloov.
Puas epigenetics resurrive lamarckism?
No, epigenetics tsis sawv rov los Lamarckian evolution. Kev kawm txog DNA chij tuaj yeem kav ntau pua xyoo-laus kev sib cav tswv yim.
Epgenetics cuam tshuam li cas rau cov tswv yim ntawm Jean Baptiste Lamarck?
Qhov kev kawm ntawm epigenetics tseem muaj kev sib cav nyob rau hauv uas nws qiv kev txhawb nqa rau Lamarckian saib ntawm qub txeeg qub teg - uas tau raug tsis lees paub los ntawm kev tshawb fawb. Jean Baptiste Lamarck thiab nws txoj kev xav ntawm hom kev hloov pauv yog raws li lub tswv yim uas tau txais (tsis yog noob caj noob ces) tuaj yeem dhau mus rau tiam neeg ua tiav.
Dab tsi yog qhov txawv ntawm lamarckism thiab epigenetics?
Tseeb tiag, biologists xa mus rau cov kev hloov pauv hauv epigenetic yam li epi-mutations,” hauv kev sib piv ncaj qha nrog kev hloov caj ces. Nco ntsoov, los ntawm qhov sib txawv, Lamarck xav tias cov kab mob muaj sia muaj peev xwm teb tau zoo rau kev hloov pauv hauv ib puag ncig sab nraud.
epigenetics pab nrog dab tsi?
Epigenetics thiab Development
Txhua koj lub hlwb muaj tib lub noob tab sis saib thiab ua txawv. Thaum koj loj hlob thiab loj hlob,epigenetics pab txiav txim siab seb qhov kev ua haujlwm ntawm tes yuav muaj, piv txwv li, seb nws yuav dhau los ua lub plawv, paj hlwb, lossis cov cell ntawm daim tawv nqaij.
