Puas yog phenotypic trait polygenic?

Cov txheej txheem:

Puas yog phenotypic trait polygenic?
Puas yog phenotypic trait polygenic?
Anonim

Ib tus yam ntxwv polygenic yog ib yam ntxwv, qee zaum peb hu rau lawv phenotypes, uas cuam tshuam los ntawm ntau, ntau yam sib txawv. … Qhov siab ntawm tib neeg yog tswj hwm caj ces muaj zog heev, tab sis muaj ntau, ntau ntau yam noob caj noob ces tswj qhov siab.

Yuav ua li cas yog 3 yam piv txwv ntawm polygenic zoo?

Qee yam piv txwv ntawm cov qub txeeg qub teg polygenic yog: tib neeg cov tawv nqaij thiab qhov muag xim; qhov siab, qhov hnyav thiab kev txawj ntse ntawm tib neeg; thiab kernel xim ntawm nplej.

Puas yog tib neeg phenotypes Mendelian lossis polygenic zoo?

Thaum Mendelian yam ntxwv zoo li cuam tshuam los ntawm ib lub noob, feem coob ntawm tib neeg phenotypes yog polygenic traits. Lo lus polygenic txhais tau tias "ntau cov noob." Yog li ntawd, qhov zoo ntawm polygenic yog cuam tshuam los ntawm ntau cov noob uas ua haujlwm ua ke los tsim cov phenotype.

Dab tsi tib neeg qhov zoo yog polygenic?

Nyob hauv tib neeg, qhov siab, xim tawv nqaij, xim plaub hau, thiab qhov muag ximyog cov piv txwv ntawm cov yam ntxwv zoo. Hom-2 mob ntshav qab zib mellitus, kab mob plawv, mob qog noj ntshav, thiab mob caj dab kuj tseem suav tias yog polygenic. Txawm li cas los xij, cov xwm txheej no tsis yog caj ces vim tias polygenes tuaj yeem cuam tshuam los ntawm ib puag ncig.

Yuav ua li cas yog phenotypic?

A phenotype yog tus neeg tus yam ntxwv pom tau, xws li qhov siab, qhov muag xim, thiab hom ntshav. Cov noob caj noob ces pab rau phenotype yog hu ua genotype. Qee qhov zoo tshaj plaws yog txiav txim siab los ntawm genotype, thaumLwm yam kev zoo yog txiav txim siab los ntawm ib puag ncig.

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