Dab tsi yog genotype ntawm kev ua tsis tiav dominance?
Dab tsi yog genotype ntawm kev ua tsis tiav dominance?

Video: Dab tsi yog genotype ntawm kev ua tsis tiav dominance?

Video: Dab tsi yog genotype ntawm kev ua tsis tiav dominance?
Video: Muaj tsis ntshai tuag 7/1/2018 2024, Kaum ib hlis
Anonim

Ua tiav kev tswj hwm , tsuas yog ib qho allele hauv lub genotype yog pom nyob rau hauv phenotype. Nyob rau hauv codominance, ob leeg alleles nyob rau hauv lub genotype pom nyob rau hauv phenotype. Hauv tsis tiav dominance , sib tov ntawm alleles nyob rau hauv lub genotype yog pom nyob rau hauv phenotype.

Ib yam li ntawd, tib neeg nug, qhov piv txwv ntawm kev ua tsis tiav yog dab tsi?

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.

Tom qab, lo lus nug yog, 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.

Kuj paub, lub ntsiab lus ntawm kev ua tsis tiav yog dab tsi?

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.

Dab tsi yog qhov phenotypic piv ntawm kev ua tsis tiav dominance?

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