2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
No, noob los yog allele rau luv luv los yog dwarf pea nroj tsuag yog recessive. Ib tsob nroj luv luv yog tsim yog tias ob qho tag nrho yog cov nroj tsuag luv.
Puas yog cov nroj tsuag heterozygous?
Ib tsob txiv laum huab xeeb yog heterozygous rau ob qho tib si noob zoo thiab noob xim. S yog cov allele rau qhov tseem ceeb, kheej kheej cov yam ntxwv; s yog allele rau qhov recessive, dented zoo yam ntxwv.
Cas luv stemmed pea cog puas tau heterozygous Vim li cas ho tsis?
Yuav ua li cas cog qoob loo luv luv puas yog ib qho kev sib xyaw rau qhov zoo ntawm qia qhov siab? Vim li cas los yog vim li cas ho tsis? Raws li ib feem ntawm koj qhov kev piav qhia, sau cov ntawv uas sawv cev rau cov alleles rau qia qhov siab ntawm cov txiv ntoo luv luv. No, ib tsob nroj luv muaj ob lub recessive (tt); hybrids muaj ob qho sib txawv alleles rau ntawm qhov zoo (Tt).
Puas yog luv pea nroj tsuag dominant lossis recessive?
Txawm li cas los xij, luv luv hauv cov txiv laum huab xeeb yog ib qho kev cuam tshuam. Cov nroj tsuag no yog homozygous nroj tsuag nrog ib tug ntshiab recessive zoo rau qhov siab. Cov me nyuam los ntawm cov nroj tsuag no yuav luv yog tias nws pollinates nrog lwm cov nroj tsuag uas muaj ob lub noob rau luv luv.
Thaum koj hla ib tsob ntoo siab siab nrog cov noob taum luv luv cov xeeb ntxwv yuav yog?
Thaum tsob ntoo siab thiab luv hla, txhua tus xeeb ntxwv siab. Yog hais tias tus me nyuam nws tus kheej fertilize, lawv tsim cov nroj tsuag siab thiab luv nyob rau hauv ib tug ratio ntawm 3: 1 nyob rau hauv tiam tom ntej.
Pom zoo:
Heterozygous alleles yog dab tsi?
Lub xub ntiag ntawm ob qhov sib txawvntawm ib qho chaw tshwj xeeb. Ib tug heterozygous genotype tuaj yeem suav nrog ib qho allele thiab ib qho kev hloov pauv lossis ob qhov sib txawv ntawm cov alleles (compound heterozygote). piv txwv ntawm heterozygous allele yog dab tsi?
Piv txwv ntawm heterozygous yog dab tsi?
Rau txhua tus noob, koj tau txais ob qho alleles: ib qho los ntawm koj txiv yug thiab ib tug los ntawm koj niam yug. … Yog hais tias ob versions txawv, koj muaj ib tug heterozygous genotype rau cov noob ntawd. Piv txwv li, ua heterozygous rau cov plaub hau xim txhais tau tias koj muaj ib qho allele rau cov plaub hau liab thiab ib qho allele rau cov plaub hau xim av.
Nyob rau hauv tus ntoo khaub lig ntawm ntshav paj heterozygous?
Nyob rau hauv tus ntoo khaub lig ntawm paj yeeb paj heterozygous nroj tsuag (Pp), lub tsab ntawv P sawv cev rau allele rau cov paj ntshavthiab tsab ntawv p sawv cev rau cov paj dawb. Yuav ua li cas yog tus ntoo khaub lig ntawm cov nroj tsuag uas heterozygous rau paj liab PP nrog lub paj uas yog homozygous recessive rau paj dawb PP yuav tsim ib tsob nroj nrog paj dawb?
Dab tsi heterozygous thiab homozygous?
Heterozygous hais txog kev muaj ntau hom noob caj noob ces los ntawm txhua tus niam txiv. Ib tug heterozygous genotype sawv cev rau qhov sib txawv ntawm homozygous genotype, qhov twg ib tus neeg tau txais txiaj ntsig zoo ib yam ntawm cov noob caj noob ces los ntawm txhua tus niam txiv.
Yuav ua li cas thiaj nrhiav tau heterozygous zaus?
Teb: Txij li q=0.2, thiab p + q=1, ces p=0.8 (80%). Ntau zaus ntawm cov neeg heterozygous. Teb: Qhov zaus ntawm cov neeg heterozygous yog sib npaug rau 2pq. Hauv qhov no, 2pq sib npaug 0.32, uas txhais tau hais tias qhov zaus ntawm cov tib neeg heterozygous rau cov noob no sib npaug li 32% (piv txwv li 2 (0.
