Video: Cov qoob loo hloov pauv tau li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
GM yog ib qho cuab yeej uas koom nrog kev tso DNA rau hauv genome ntawm cov kab mob. Ua ib GM cog, DNA tshiab raug xa mus rau hauv cov nroj tsuag hlwb. Feem ntau, cov hlwb tom qab ntawd loj hlob hauv cov ntaub so ntswg uas lawv loj hlob mus rau hauv nroj tsuag . Cov noob ua los ntawm cov no nroj tsuag yuav tau txais cov DNA tshiab.
Tsis tas li ntawd nug, cov qoob loo hloov pauv nyob qhov twg?
Ntawm cov teb chaws cog qoob loo GM, lub teb chaws USA (70.9 Mha), Brazil (44.2 Mha), Argentina (24.5 mha) Is Nrias teb (11.6 Mha) thiab Canada (11 Mha) yog cov neeg siv ntau tshaj plaws. Hauv Tebchaws Europe, tsib lub tebchaws EU loj hlob GM pob kws - Spain, Portugal, Czech koom pheej, Romania thiab Slovakia.
Kuj Paub, dab tsi raws nraim yog hloov kho cov zaub mov? Cov zaub mov hloov pauv hloov (los yog GM zaub mov ) yog zaub mov ua los ntawm cov nroj tsuag lossis tsiaj txhu uas muaj DNA hloov dhau caj ces engineering. Cov no noob caj noob ces hloov cov kab mob feem ntau hu ua GMOs luv luv.
Tom qab ntawd, lo lus nug yog, dab tsi yog ib qho piv txwv ntawm cov noob qoob loo hloov pauv?
Piv txwv ntawm GM cov qoob loo suav nrog cov pob kws ntau yam uas muaj cov noob rau cov kab mob tua kab mob uas tua cov kab mob larval, thiab cov taum pauv nrog cov noob tso rau hauv uas ua rau lawv tiv taus cov nroj tsuag-killers xws li Roundup. Hauv xyoo 2010, ntau dua 80 feem pua ntawm Teb Chaws Asmeskas pob kws, taum pauv, paj rwb, thiab qab zib beets yog GM ntau yam.
GMO ntau npaum li cas?
Raws li xyoo 2015, 26 hom nroj tsuag tau muaj hloov caj ces thiab pom zoo rau kev tso tawm kev lag luam hauv tsawg kawg ib lub tebchaws. Feem ntau ntawm cov hom no muaj cov noob uas ua rau lawv ua siab ntev rau tshuaj tua kab lossis tiv taus kab.
Pom zoo:
Vim li cas cov hnub qub dhau los ntawm kev hloov pauv hloov pauv?
Stellar evolution yog tus txheej txheem uas lub hnub qub hloov pauv nyob rau lub sijhawm. Cov hnub qub uas muaj tsawg kawg yog ib nrab ntawm lub hnub tuaj yeem pib tsim lub zog los ntawm kev sib xyaw ntawm helium ntawm lawv cov tub ntxhais, thaum lub hnub qub ntau dua tuaj yeem sib xyaw cov ntsiab lus hnyav dua raws li cov khoom sib xyaw ua ke
Dab tsi yog European pob kws borer thiab nws cuam tshuam li cas cov pob kws nroj tsuag thiab cov noob qoob loo?
Qhov kev puas tsuaj boring tuaj yeem ua rau cov nroj tsuag tsis muaj zog txaus los ua rau cov stalk tawg tom qab lub caij, feem ntau tshwm sim hauv qab pob ntseg. Los yog nws yuav ua rau pob kws ua stunted, ua rau cov qoob loo txo qis los ntawm cov nroj tsuag tsis muaj peev xwm thauj dej thiab cov as-ham los ntawm nws cov qia puas
Tib neeg ua ntej hloov cov qoob loo li cas?
Peb tau hloov kho cov tshuaj pleev ib ce ntawm cov qoob loo los ntawm kev sib tshuam-pollinating, ib yam nkaus. Kwv yees li 8,000 xyoo dhau los, piv txwv li, cov neeg ua liaj ua teb hauv Central America tau hla ob hom kev hloov pauv ntawm cov nroj tsuag zoo nkauj hu ua Balsas teosinte thiab tsim thawj pob kws ntawm cob
Lub zog siv hluav taws xob txuag tau li cas thaum hloov pauv lossis hloov pauv?
Txoj cai lij choj ntawm kev txuag hluav taws xob hais tias rau txhua qhov system, lub zog tsis tuaj yeem tsim lossis rhuav tshem; nws tsuas tuaj yeem hloov ntawm ib daim ntawv mus rau lwm qhov lossis hloov ntawm ib yam khoom mus rau lwm qhov. Mechanical zog los ntawm ob hom: lub zog muaj peev xwm, uas yog khaws cia lub zog, thiab lub zog kinetic, uas yog lub zog ntawm kev txav
Tib neeg ua ntej hloov cov qoob loo li cas cov kws tshawb fawb siv niaj hnub no los hloov cov qoob loo?
Los ntawm cucumbers thiab carrots rau dawb nplej thiab nplej, peb tib neeg tau hloov cov noob ntawm yuav luag txhua yam zaub mov peb noj. Niaj hnub no cov kws tshawb fawb tuaj yeem tsim qhov kev hloov pauv sai sai los ntawm kev xaiv ib lub noob uas yuav ua rau muaj qhov xav tau thiab tso cov noob ncaj qha mus rau hauv chromosome ntawm lub cev