Video: Lub hauv paus ntsiab lus ntawm kev ua tsis tiav yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Tsis tiav dominance yog ib daim ntawv ntawm cov qub txeeg qub teg nyob rau hauv uas ib tug allele rau ib tug tshwj xeeb zoo yog tsis kiag li qhia tag nrho nws cov khub allele. Qhov no tshwm sim nyob rau hauv ib tug thib peb phenotype nyob rau hauv uas qhia lub cev zoo yog ib tug ua ke ntawm cov phenotypes ntawm ob alleles.
Yog li ntawd, dab tsi yog qhov piv txwv ntawm kev ua tsis tiav?
Thaum ib tug niam txiv uas muaj plaub hau ncaj thiab ib tug nrog cov plaub hau curly muaj ib tug me nyuam nrog wavy plaub hau, uas yog ib tug piv txwv ntawm tsis tiav dominance . Qhov muag xim feem ntau raug suav hais tias yog ib qho piv txwv ntawm tsis tiav dominance.
Ib tug kuj yuav nug, Codominance thiab tsis tiav dominance yog dab tsi? Hauv tsis tiav dominance tus neeg heterozygous sib xyaw ob qhov zoo. Nrog codominance koj yuav pom ob qho alleles qhia lawv cov teebmeem tab sis tsis sib xyaw nrog tsis tiav dominance koj pom ob qho teebmeem alleles tab sis lawv tau muab sib xyaw.
Ib yam li ntawd, koj tuaj yeem nug, dab tsi yog lub hauv paus rau kev tswj hwm tsis tiav?
Tsis tiav dominance tuaj yeem tshwm sim vim tsis muaj ob qho alleles tag nrho tseem ceeb tshaj lwm yam, los yog vim lub tseem ceeb allele tsis tag nrho dominate lub recessive allele. Qhov no ua rau muaj phenotype uas txawv ntawm ob qho tib si tseem ceeb thiab recessive alleles, thiab zoo li yog ib tug sib tov ntawm ob qho tib si.
Qhov piv txwv twg zoo tshaj piav qhia txog kev tswj hwm tsis tiav?
Piv txwv ntawm Tsis tiav Dominance Roses liab feem ntau yog tshwm sim ntawm tsis tiav dominance . Thaum liab roses, uas muaj cov tseem ceeb liab allele, yog mated nrog dawb roses, uas yog recessive, cov me nyuam yuav heterozygotes thiab yuav qhia ib tug liab phenotype.
Pom zoo:
Lub ntsiab lus ntawm lub hauv paus lo lus meter nyob rau hauv lo lus tus pas ntsuas kub yog dab tsi?
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Dab tsi yog lub hauv paus ntsiab lus ntawm txoj kev xav ntawm lub neej tiam neeg?
Txoj kev xav ntawm lub neej tiam neeg tau hais tias muaj sia nyob tuaj yeem tshwm sim los ntawm cov khoom tsis muaj sia nyob thiab cov txheej txheem zoo li no tau tshwm sim thiab tsis tu ncua. Piv txwv li, nws tau xav tias qee yam xws li fleas tuaj yeem tshwm sim los ntawm cov khoom tsis muaj tsiaj xws li hmoov av, lossis cov maggots tuaj yeem tshwm sim los ntawm cov nqaij tuag