hom kab mob lom neeg yog cais tawm ntawm ib leeg. Lub ntsiab txhais yog qee zaum txuas ntxiv kom xav tau tias qhov kev yug me nyuam yuav tsum tshwm sim nyob rau hauv ntuj, tsis yog khoom tsim (xws li, raug ntes). Evolution of reproductive isolating mechanisms tiv thaiv hom nascent los ntawm interbreeding.
txhais tau hais tias hom tsiaj cais cais tawm?
Txiv kab ntxwv yog qhov tseeb tias lawv raug cais tawm ntawm lwm pab pawg, txhais tau tias cov kab mob hauv ib hom tsis muaj peev xwm rov tsim dua nrog cov kab mob hauv lwm hom.
Puas yog Allopolyploid hom kev tsim tawm los ntawm niam txiv hom?
Nyob rau hauv HHS, siv tau, muaj tseeb-tsim hybrids evolve uas yog reproductively cais tawm ntawm parental hom. Homoploid hybrids tsis muaj qhov zoo ntawm kev sib cais tam sim ntawm niam txiv hom, zoo li allopolyploids ua. … Nws tseem ceeb heev kom nkag siab tias qhov kev sib xyaw ua ke tsis yog dab tsi.
Thaum ob haiv neeg ntawm ib hom tsiaj raug cais tawm ntawm ib leeg lawv raug suav hais tias muaj cov noob caj noob ces cais peb txoj kev cais dab tsi?
Homozygous cov tib neeg yuav muaj ob daim ntawv theej ntawm allele. Thaum ob haiv neeg ntawm ib hom kab mob sib cais los ntawm ib leeg lawv raug suav hais tias muaj cov noob caj noob ces cais? Peb txoj kev cais tawm yog dab tsi? Temporal, cwj pwm lossis thaj chaw.
Yuav ua li cas yog ob hom uas hais tias yuav tsum tau muab cais tawm?
txhais li cas rau ob hom kev sib cais ntawm ib leeg? Cov tswv cuab ntawm ob hom tsis tuaj yeem sib txuas thiab tsim cov xeeb ntxwv. kev sib cais ntawm ib leeg.
