Qhov twg yog ib qho piv txwv ntawm cov lus teb tsis tiav com?
Qhov twg yog ib qho piv txwv ntawm cov lus teb tsis tiav com?

Video: Qhov twg yog ib qho piv txwv ntawm cov lus teb tsis tiav com?

Video: Qhov twg yog ib qho piv txwv ntawm cov lus teb tsis tiav com?
Video: "Cov Lus Zais Tob Ntawm Txoj Kev Dawb Huv: Zaj Txuas Ntxiv" (Cov Yeeb Yaj Kiab Piv Txwv) 2024, Kaum ib hlis
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Ib qho zoo uas nthuav tawm tsis tiav dominance yog ib qho uas cov xeeb ntxwv heterozygous yuav muaj phenotype uas yog kev sib xyaw ntawm ob niam txiv kab mob. Nov yog qee qhov piv txwv : Liab thiab daj paj mating los ua paj txiv kab ntxwv. Ib tug miv dawb thiab dub miv muaj grey kittens.

Hauv qhov no, qhov piv txwv ntawm kev ua tsis tiav yog dab tsi?

Thaum ib tug niam txiv nrog cov 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.

Qhov thib ob, uas yog ib qho piv txwv ntawm Codominance teb com? Hauv cov noob caj noob ces, codominance tshwm sim thaum tsis muaj gene yog dominant dua lwm tus. Ib txhia piv txwv ntawm codominance yog cov hauv qab no: Hom ntshav - Hom AB yog tus thawj tswj hwm vim tias ob qho tib si antigen A thiab antigen B tshwm sim hauv genotype. Miv - Yog hais tias ib tug miv dub thiab tan cat mate, tus miv yuav muaj ob qho tib si plaub dub thiab tan fur.

Tsis tas li ntawd, qhov twg yog ib qho piv txwv ntawm kev ua tiav tsis tiav Brainly?

A. Ib lub paj liab thiab paj daj mating ua paj daj. Ib lub paj liab thiab paj daj mating los tsim paj liab.

Puas yog xim tawv nqaij ua piv txwv ntawm kev ua tsis tiav?

Tsis tiav dominance tshwm sim nyob rau hauv lub polygenic qub txeeg qub teg ntawm qhov zoo xws li qhov muag xim thiab tawv nqaij xim . 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.

Pom zoo: