Video: Puas yog hom ntshav hloov pauv tsis tu ncua?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Ib tug yam ntxwv ntawm txhua hom nrog tsuas yog ib tug tsawg tus naj npawb ntawm cov txiaj ntsig tau qhia kev hloov pauv tsis tu ncua . Tib neeg pawg ntshav yog ib qho piv txwv ntawm kev hloov pauv tsis tu ncua . Tsis muaj qhov tseem ceeb nyob nruab nrab, yog li qhov no yog kev hloov pauv tsis tu ncua.
Hauv qhov no, dab tsi yog txhais los ntawm kev hloov pauv tsis tu ncua?
kev hloov pauv tsis tu ncua (zoo kev hloov pauv ) Kom meej meej txhais qhov sib txawv ntawm tus yam ntxwv uas tuaj yeem pom hauv cov pej xeem. Cov yam ntxwv uas tau txiav txim los ntawm cov alleles sib txawv ntawm ib qho chaw qhia kev hloov pauv tsis tu ncua , np. vaj peas yog wrinkled los yog du. Sib piv tsis tu ncua kev hloov pauv.
Qhov thib ob, yog cov plaub hau xim tsis tu ncua lossis kev hloov pauv tsis tu ncua? Thiab meej plaub hau xim , tawv xim thiab qhov muag xim tag nrho poob rau hauv lub ntsiab lus ntawm a tsis tu ncua qhov zoo, vim hais tias txawm tias lawv zoo li tsis cuam tshuam los ntawm ib puag ncig, lawv yog cov yam ntxwv ntawm polygenic tiag tiag thiab qhia qhov gradation, yog li lawv twv yuav raug hu. tsis tu ncua yam ntxwv.
Ib tug kuj yuav nug, cov piv txwv ntawm kev hloov pauv tsis tu ncua yog dab tsi?
Zaj Lus Qhia Piv txwv ntawm nruam kev hloov pauv suav nrog tej yam xws li tus neeg qhov siab thiab qhov hnyav. Piv txwv ntawm kev hloov pauv tsis tu ncua suav nrog ib tug neeg cov ntshav los yog xim ntawm ib hom noog. Cov no kev hloov pauv tuaj yeem nyob rau ob qho laj thawj loj.
Puas yog khau loj tsis tu ncua hloov pauv?
Tsis tu ncua kev hloov pauv yog qhov sib txawv, thiab cov no yog cov yam ntxwv ntawm caj ces hloov, xws li qhov siab, xim plaub hau, khau loj . Koj qhov siab, qhov hnyav, ntiv tes ntev thiab lwm yam, yuav tau hloov thoob plaws hauv koj lub neej (nruam), tab sis koj hom ntshav, hom pob ntseg, ntiv tes thiab poj niam txiv neej, tsis txhob ( tsis tu ncua ).
Pom zoo:
Dab tsi yog qhov kev hloov pauv hloov pauv?
Kev hloov pauv, hauv molecular biology, yog hais txog kev hloov pauv hauv deoxyribonucleic acid (DNA), qhov twg ib qho (ob lub nplhaib) purine hloov pauv rau (ib lub nplhaib) pyrimidine, los yog vice versa
Dab tsi yog qhov txawv ntawm ib puag ncig kev hloov pauv thiab kev hloov pauv qub txeeg qub teg?
Qhov sib txawv ntawm cov yam ntxwv ntawm cov tib neeg ntawm tib hom yog hu ua variation. Qhov no yog inherited variation. Qee qhov kev hloov pauv yog qhov tshwm sim ntawm qhov sib txawv ntawm ib puag ncig, lossis ib tus neeg ua dab tsi. Qhov no yog hu ua environmental variation
Puas yog tus ntiv tes yog qhov hloov pauv tsis tu ncua lossis tsis txuas ntxiv?
Kev hloov pauv tsis tu ncua yog qhov sib txawv, thiab cov no yog cov yam ntxwv ntawm caj ces hloov, xws li qhov siab, xim plaub hau, khau loj. Koj qhov siab, qhov hnyav, ntiv tes ntev thiab lwm yam, yuav tau hloov pauv hauv koj lub neej (nruam), tab sis koj hom ntshav, hom pob ntseg, ntiv tes thiab poj niam txiv neej, tsis txhob (tsis txuas ntxiv)
Qhov tsis tu ncua ntawm kev hloov pauv hauv lej yog dab tsi?
Qhov tsis tu ncua ntawm kev hloov pauv yog tus lej uas cuam tshuam txog ob qhov sib txawv uas ncaj qha proportional lossis inversely proportional rau ib leeg
Puas yog Kalettes hloov pauv hloov pauv?
Kalettes, tus ntoo khaub lig ntawm kale thiab Brussels sprouts, yog cov zaub hybrid tshiab tshaj plaws los ntaus lub khw hauv Teb Chaws Asmeskas. Cov veggie tshiab tau tsim los ntawm Tozer Seeds, lub tuam txhab cog zaub hauv tebchaws Askiv uas coj zaub tuaj rau Tebchaws Meskas thaum lub caij nplooj zeeg xyoo 2014. Cov zaub uas tsis yog noob caj noob ces tau siv sijhawm 15 xyoos kom zoo