Video: Homozygous rau menyuam yaus yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Lub ntsiab txhais ntawm homozygous yog thaum lub cell hast two zoo tib yam luam ntawm ib tug gene. Ib qho piv txwv ntawm homozygous isa cell muaj cov noob xiav qhov muag los ntawm ob niam txiv.
Kuj paub yog, dab tsi yog heterozygous rau menyuam yaus?
heterozygous . Cov noob tuaj ua khub, hu ua alleles, thiab txhua khub nyob rau hauv ib qho chaw tshwj xeeb (los yog qhov chaw) ntawm chromosome. Yog hais tias ob lub alleles ntawm ib qho chaw zoo tib yam rau ib leeg, lawv yog homozygous; yog lawv txawv ib leeg lawm xwb heterozygous.
heterozygous trait yog dab tsi? Lub cev uas yog heterozygous rau a qhov zoo muaj ob qho sib txawv alleles rau qhov ntawd qhov zoo . Txij li cov kab mob muaj ob lub alleles rau txhua tus qhov zoo , thaum lub alleles ntawm ib khub heterozygous (Yy), lub dominant allele qhov zoo yog qhia thiab recessive allele qhov zoo ua npog.
Ib yam li ntawd, koj tuaj yeem nug, dab tsi yog qhov tseem ceeb rau cov menyuam yaus?
Nco ntsoov tias alleles txawv cov ntawv luam ntawm tib yam noob . Peb kuj tau kawm cov ntawv ntawd noob uas ib txwm qhia, lossis siv los ua qhov zoo, tshaj lwm cov alleles hu ua tseem ceeb , thaum cov ntawv luam ntawm noob uas tsis qhia yog tias a tseem ceeb allele nyob ib ncig ntawm yog hu ua rov ua dua.
Ib qho piv txwv ntawm qhov tseem ceeb yog dab tsi?
Piv txwv ntawm Cov yam ntxwv tseem ceeb Cov plaub hau tsaus yog tseem ceeb tshaj cov plaub hau daj los yog liab. Cov plaub hau curly yog tseem ceeb tshaj cov plaub hau ncaj. Baldness yog ib qhov tseem ceeb . Muaj ib tug poj ntsuam lub ncov (ib tug V-puab plaub hau) yog tseem ceeb tshaj muaj ib tug ncaj hairline. Freckles, cleftchin thiab dimples yog tag nrho piv txwv ntawm ib tug dominanttrait.
Pom zoo:
Dab tsi yog lub xeev txoj kev xav rau cov menyuam yaus?
Txoj kev ntseeg ruaj khov hais tias txawm tias lub qab ntuj khwb nthuav dav, txawm li cas los xij nws tsis hloov nws lub sijhawm. Txhawm rau ua qhov no, cov teeb meem tshiab yuav tsum tau tsim kom muaj qhov sib npaug sib npaug ntawm lub sijhawm
Dab tsi yog qhov nro rau cov menyuam yaus?
Ntog nro. Nyob rau hauv physics, surfacetension yog ib tug quab yuam nyob rau hauv lub nto txheej ntawm aliquid uas ua rau cov txheej txheem coj raws li ib tug elastic daim ntawv. Nws yog lub zog uas txhawb cov kab uas taug kev hauv dej, piv txwv li.Qhov no txhais tau hais tias qhov nro saum npoo tuaj yeem suav tias yog lub zog ntawm lub zog
Dab tsi yog tus lej rau cov menyuam yaus?
Yog ib chav tsev hauv kev ua lej. Cov lej yog siv los suav, ntsuas, thiab sib piv cov nqi. Tus lej system yog ib pawg ntawm cov cim, lossis cov lej, uas yog siv los sawv cev cov lej. Cov lej feem ntau siv 10 lub cim hu ua tus lej-0, 1, 2, 3, 4, 5, 6, 7, 8, thiab 9-thiab kev sib txuas ntawm cov lej no
Dab tsi yog vascular nroj tsuag rau menyuam yaus?
Vascular cog lus tseeb rau menyuam yaus. Cov nroj tsuag vascular, tracheophytes lossis cov nroj tsuag siab dua yog cov nroj tsuag uas muaj cov ntaub so ntswg tshwj xeeb rau kev ua dej, cov zaub mov, thiab cov khoom siv photosynthetic los ntawm cov nroj tsuag. Lawv suav nrog ferns, clubmosses, horsetails, flowering nroj tsuag, conifers thiab lwm yam gymnosperms
Dab tsi ua rau tsunami rau cov menyuam yaus?
Ib tug tsunami yog ib tug loj dej hiav txwv nthwv dej feem ntau tshwm sim los ntawm ib tug underwater av qeeg los yog volcanic tawg. Tsunamis tsis yog tidal nthwv dej. Tidal nthwv dej yog tshwm sim los ntawm lub zog ntawm lub hli, lub hnub, thiab cov ntiaj chaw nyob rau hauv lub tides, nrog rau cov cua thaum nws tsiv hla dej