Cov txheej txheem:

Dominance Quizlet yog dab tsi?
Dominance Quizlet yog dab tsi?

Video: Dominance Quizlet yog dab tsi?

Video: Dominance Quizlet yog dab tsi?
Video: Zoo nraug noj tsis tau Abyeeb Yaj-Lasnis Lis nkauj tawm tshiab 2020 [MV official] 2024, Kaum ib hlis
Anonim

Piav txog tus cwj pwm zoo uas npog dhau, los yog dominates, lwm hom ntawm qhov zoo. Cov xeeb ntxwv uas tshwm sim muaj ib qho phenotype uas yog kev sib xyaw ntawm niam txiv qhov zoo.

Ntxiv mus, dab tsi yog tiav dominance quizlet?

ua tiav dominance . kev sib raug zoo nyob rau hauv uas ib tug allele yog kiag li tseem ceeb tshaj lwm tus.

dab tsi yog meant los ntawm tsis tiav dominance quizlet? Cov ntsiab lus hauv cov teeb no (16) Tsis tiav Dominance . Ob tug alleles, tau txais los ntawm niam txiv, tsis yog tseem ceeb los yog recessive. Qhov tshwm sim yog ib qho phenotype uas yog kev sib xyaw ntawm ob qho alleles. Codominance . Ob leeg alleles yog tag nrho tseem ceeb thiab tau qhia sib npaug hauv cov xwm txheej heterozygous.

Tsis tas li ntawd, kev ua tiav tag nrho txhais li cas?

Ua tiav dominance yog ib daim ntawv ntawm kev tswj hwm nyob rau hauv heterozygous mob nyob rau hauv lub allele uas yog suav tias yog tseem ceeb tag nrho npog cov nyhuv ntawm allele uas yog rov ua dua. Piv txwv li, ib tug neeg nqa ob alleles uas yog ob leeg tseem ceeb (xws li AA), qhov zoo uas lawv sawv cev yuav qhia.

3 hom kev dominance yog dab tsi?

Cov ntsiab lus hauv cov teeb no (10)

  • ua kom tiav. allele yog qhia nyob rau hauv homozygous dominant thiab heterozygous mob.
  • tsis tiav. alleles nthuav tawm phenotype nruab nrab ntawm cov neeg uas muaj homozygous alleles (kev sib xyaw)
  • codominance.
  • pleiotropy.
  • polygenic.
  • epistasis.
  • Morgan.
  • x-linked zoo.

Pom zoo: