Tsis tiav dominance tshwm sim nyob rau hauv heterozygote, nyob rau hauv uas lub dominant allele tsis dominate lub recessive allele nkaus; theej, ib qho intermediate zoo tshwm sim hauv cov xeeb ntxwv. Codominance tshwm sim thaum cov alleles tsis qhia ib qho tseem ceeb thiab recessive allele kev sib raug zoo.
Yuav ua li cas alleles tsis tiav dominant?
Tsis tiav dominance tshwm sim thaum tsis yog ob qho alleles tag nrho cov tseem ceeb los sis tsis sib haum xeeb rau ib leegCov alleles yog ob qho tib si qhia thiab phenotype, lossis lub cev zoo, yog qhov sib xyaw ntawm ob alleles. Hauv cov lus qhia tsawg dua, qhov no txhais tau tias ob qhov ua tau zoo sib xyaw ua ke.
Muaj pes tsawg tus phenotypes ua tau thaum tus cwj pwm tsis tiav?
Nrog kev tswj tsis tiav, tsis muaj qhov tseem ceeb thiab qhov tsis zoo. Raws li qhov tshwm sim, muaj peb yam phenotypes.
Tus cwj pwm twg yog txiav txim los ntawm kev ua tsis tiav?
Kev ua tsis tiav tshwm sim hauv cov khoom qub txeeg qub teg ntawm cov yam ntxwv xws li qhov muag xim thiab xim tawv nqaijNws yog lub hauv paus hauv kev kawm txog cov noob caj noob ces tsis yog Mendelian. 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 tsis tau kiag li qhia tag nrho nws cov khub allele.
Vim li cas thiaj tsis tiav dominance?
Mechanism of Incomplete Dominance
Tsis tiav dominance tshwm sim vim no ob leeg ntawm ob alleles yog kiag li dominant tshaj lwm tus Qhov no tshwm sim nyob rau hauv ib tug phenotype uas yog ib tug ua ke ntawm ob leeg.. … Xav txog, cov tsiaj ntshiab ntawm paj liab muaj RR khub ntawm alleles thiab hais tias rau lub paj dawb yog rr.
