2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ib tug tseem ceeb, lossis ib qho tseem ceeb ntawm cov noob, yog ib qho txawv ntawm cov noob, uas rau ntau yam laj thawj, nthuav tawm nws tus kheej ntau dua los ntawm nws tus kheej dua li lwm yam ntawm cov noob uas tus neeg nqa tau, thiab, qhov no, tus recessive.
Cov noob twg yog qhov tseem ceeb?
Ib qho allele ntawm ib noob yog hais tias yog tus tseem ceeb thaum nws ua tau zoo overrules lwm tus (recessive) allele. Qhov muag xim thiab pawg ntshav yog ob qho piv txwv ntawm kev sib raug zoo ntawm noob caj noob ces.
Dab tsi yog cov noob caj noob ces muab piv txwv?
Piv txwv li, lub allele rau lub qhov muag xim av yog qhov tseem ceeb, yog li koj tsuas yog xav tau ib daim qauv ntawm 'qhov muag xim av' allele kom muaj qhov muag xim av (txawm hais tias, nrog ob daim ntawv theej koj tseem yuav muaj qhov muag xim av).
Lub ntsiab lus ntawm kev ua lej hauv biology yog dab tsi?
Dominant (biology txhais): Hauv cov noob caj noob ces, "dominant" piav qhia txog ib qho allele lossis cov noob uas tau qhia hauv kab mob phenotype, npog cov nyhuv ntawm cov allele lossis cov noob thaum tam sim no; Nws kuj tseem piav txog qhov zoo lossis tus cwj pwm uas tau nthuav tawm tshaj qhov uas tsis tau qhia.
Dab tsi yog qhov tseem ceeb hauv kev puas siab puas ntsws?
Ib yam tseem ceeb yog hais txog ib yam ntxwv caj ces uas zais qhov tsis zoo ntawm qhov phenotype ntawm tus neeg. Qhov tseem ceeb tshaj plaws yog ib qho phenotype uas pom nyob rau hauv ob homozygous AA thiab heterozygous Aa genotypes. Ntau yam zoo yog txiav txim los ntawmkhub niam txiv sib txuas, txhua tus tau txais los ntawm ib leej niam leej txiv.
Pom zoo:
Pob noob noob noob noob nom noob tswv los?
Cov noob noob hnav tuaj yeem tshwm sim hauv Asia lossis East Africa, thiab cov neeg Iyiv thaum ub tau paub tias tau siv cov noob hauv av ua hmoov nplej. Cov noob tau siv los ntawm Suav tsawg kawg yog 5,000 xyoo dhau los, thiab ntau pua xyoo lawv tau hlawv cov roj los ua cov tshuaj tsw qab rau cov ntawv suav zoo tshaj plaws.
Ntawm txoj kev kawm ntawm noob caj noob ces?
Genetics yog kev tshawb fawb txog cov noob thiab noob caj noob ces-ntawm qhov zoo lossis qhov zoo li cas tau dhau los ntawm niam txiv mus rau cov xeeb ntxwv vim qhov hloov pauv hauv DNA ib ntus. … Txhua yam ntawm cov kab mob caj ces, nrog rau nws cov noob caj noob ces thiab lwm yam khoom uas tswj cov kev ua ntawm cov noob, yog nws cov genome.
Nyob rau hauv noob caj noob ces yog dab tsi genotype ntawm hh txhais tau tias?
Lub hauv paus ntawm lo lus no txhais tau tias "tseem" thiab lawv yog tib yam. HH yog ob lub peev thiab hh yog ob qho tib si qis. HH yog homozygous dominant, vim yog lub peev. HH homozygous recessive? Ib lub taub hau tag nrho cov plaub hau yog qhov tseem ceeb, nrog rau homozygous gene ntawm HH.
Puas muaj cov ntawv tshaj tawm ntawm cov noob caj noob ces?
Muaj cov ntawv hauv Chivkeeb koj tuaj yeem tswj tautab sis koj tsis tso cai caij lawv. Koj puas tuaj yeem siv daim ntawv tshaj tawm ntawm Chiv Keeb 2? Qhov no sleek, hi-tek exo-cov armor yuav tsum tiv thaiv koj nyob rau hauv ntau yam xwm txheej uas ua rau tuag taus - thiab qhov zoo tshaj plaws, ntawm Chiv Keeb Tshooj 2, cov khaub ncaws no muaj qhov txwv tsis pub dav hlau dav hlau tsis tas yuav tsum muaj Element - thiab Cov ntawv tshaj tawm kuj tau txais kev txhawb siab
Nyob hauv noob caj noob ces palindromes xa mus?
Palindrome: Hauv cov noob caj noob ces, a DNA lossis RNA qib uas nyeem tib yam hauv ob qho lus qhia. Cov chaw ntawm ntau qhov txwv enzymes uas txiav (txheej) DNA yog palindromes. Palindrome hauv caj ces yog dab tsi? Abstract. Lub palindrome hauv DNA zoo li lub palindrome hauv cov lus, tab sis thaum nyeem rov qab, nws yog ib qho ntxiv ntawm cov kab ke pem hauv ntej;
