Cov phenotype li qub txhais li cas?
Cov phenotype li qub txhais li cas?

Video: Cov phenotype li qub txhais li cas?

Video: Cov phenotype li qub txhais li cas?
Video: W2 Phien Lunch Novartis Main Ngay 03 10 2020 2024, Kaum ib hlis
Anonim

Ib tug neeg homozygous dominant (AA) muaj ib tug ib txwm phenotype thiab tsis muaj kev pheej hmoo ntawm cov xeeb ntxwv txawv txav. Homozygous recessive tus neeg muaj qhov txawv txav phenotype thiab tau lees tias yuav kis tus kab mob txawv txav mus rau cov xeeb ntxwv. Nyob rau hauv cov ntaub ntawv ntawm hemophilia, nws yog kev sib deev-txuas yog li tsuas yog nqa ntawm X chromosome.

Kuj paub yog, phenotype txhais li cas?

Cultural definitions rau phenotype Cov tsos mob sab nraud ntawm lub cev; kev nthuav qhia ntawm genotype nyob rau hauv daim ntawv ntawm cov yam ntxwv uas yuav pom thiab ntsuas, xws li cov plaub hau los yog qhov muag xim.

Tsis tas li ntawd, vim li cas phenotypes tseem ceeb? Phenotype sib piv yog tseem ceeb , vim tias nws tso cai rau tus cwj pwm txawv rau cov tsiaj tsis tau ntsib yav tas los. Feem ntau, cov phenotypes siv hauv phenotype Kev sib piv yog hu ua cues, es tsis yog cov cim, vim tias muaj qee cov lus nug txog seb qhov kev hloov pauv tau zoo li cas. phenotype rau nws txoj kev sib txuas lus.

Hauv qhov no, qhov piv txwv ntawm phenotype yog dab tsi?

A phenotype yog ib qho zoo uas peb tuaj yeem soj ntsuam. Cov noob muaj cov lus qhia, thiab qhov tshwm sim ntawm peb lub cev ua raws li cov lus qhia no (rau piv txwv , ua pigment nyob rau hauv peb ob lub qhov muag), yog a phenotype qhov zoo, zoo li qhov muag xim. Qee lub sij hawm qhov zoo yog qhov tshwm sim ntawm ntau cov noob sib txawv, zoo li 16 cov noob muaj lub luag haujlwm rau qhov muag xim.

Dab tsi yog genotype vs phenotype?

Genotype piv rau phenotype . Lub cev genotype yog cov noob caj noob ces nws nqa. Lub cev phenotype yog tag nrho nws cov yam ntxwv observable - uas yog cuam tshuam los ntawm nws genotype thiab los ntawm ib puag ncig. Piv txwv li, qhov sib txawv ntawm cov genotypes tuaj yeem tsim qhov sib txawv phenotypes.

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