2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Chromosome cais yog cov txheej txheem hauv eukaryotes los ntawm ob tus viv ncaus chromatids tsim los ntawm DNA replication, los yog ua ke homologous chromosomes, sib cais los ntawm ib leeg thiab tsiv mus rau opposite ncej ntawm lub nucleus. Txoj kev sib cais no tshwm sim thaum mitosis thiab meiosis.
txoj cai ntawm kev cais tawm nyob qhov twg hauv meiosis?
Txoj Cai Kev Cai Segregation tshwm sim nyob qhov twg hauv meiosis? Thaum Anaphase II thiab Telophase II thiab Cytokinesis, thaum tus muam chromatids cais kom muaj 1 allele ib gamete. Koj nyuam qhuav kawm 6 nqe lus xwb!
Txoj cai lij choj ntawm lub xeev cais dab tsi thiab nws tshwm sim nyob qhov twg hauv meiosis?
Txoj cai cais tawm yog Mendel thawj txoj cai. Nws hais tias thaum lub sij hawm meiosis alleles segregate. … Thaum lub sij hawm tus txheej txheem ntawm meiosis, thaum gametes raug tsim, cov allele khub segregate, piv txwv li lawv cais. Rau kev txiav txim siab ntawm Mendelian qhov zoo, ob qho alleles koom nrog - ib qho yog recessive thiab lwm tus yog dominant.
YKev cais ntawm alleles hu ua dab tsi?
Lub hauv paus ntsiab lus ntawm Kev Sib cais piav qhia txog qhov ua khub ntawm cov noob sib txawv tau muab cais ua cov qe menyuam. Kev sib cais ntawm cov noob sib txawv, hu ua alleles, thiab lawv cov kev coj ua tau pom thawj zaug los ntawm Gregor Mendel hauv 1865.
Puas alleles cais thaum meiosis?
Tus alleles ntawm ib noob sib cais los ntawm ib leeg thaum sib deev hlwb tsim thaum lub sij hawm meiosis. … Txij li thaum alleles ntawm cov noob muaj nyob rau hauv cov chaw sib thooj ntawm homologous khub ntawm chromosomes, lawv kuj sib cais thaum lub sij hawm meiosis.
Pom zoo:
Nyob rau hauv qhov kev txiav txim siab yog qhov kev sib tw yog kev tawm tsam kev tawm tsam?
Lub Ntiaj Teb Beat paub txog nws tsis lees paub cov khoom siv thiab cov qauv niaj hnub, kev sim tshuaj, thiab kev ywj pheej ntawm sab ntsuj plig thiab kev sib deev. Nws hloov zuj zus nyob rau xyoo 1960 los ua ib feem ntawm hippie thiab loj dua counterculture txav.
Qhov kev tua ntawm qhov kev sib raug zoo tshwm sim nyob qhov twg?
Kev phom sij ntawm O.K. Corral yog 30-thib ob qhov kev sib tua ntawm cov neeg tsim cai lij choj coj los ntawm Virgil Earp thiab cov tswv cuab ntawm ib pawg neeg tawm tsam hu ua Cowboys suav nrog Ike Clanton uas tshwm sim thaum 3:00 teev tsaus ntuj.
Thaum twg qhov kev rov tshwm sim tshwm sim?
Thaum Replevin tuaj yeem thov Li no, qhov no yog qhov xwm txheej tshwm sim ntau tshaj plaws uas yuav tshwm sim thaum tus neeg siv khoom tsis raug them nyiaj qiv tsheb. Kev ua txhaum cai ntawm kev thaj yeeb nyab xeeb yog me ntsis luv luv. Nws tsis suav nrog kev txeeb tsheb yam tsis tau ceeb toom lossis kub xov tooj kom tsav tsheb mus.
Qhov twg yog qhov kev txiav txim siab rau kev tsis lees paub thiab rau kev ua kom muaj kev tawm tsam ntawm kev tawm tsam?
Kev qhuab ntuas tau siv los ntawm cov thawj coj loj hauv cov tub rog Romanrau txim rau cov koom haum lossis pab pawg loj ua txhaum cai, xws li kev ua phem, kev tawm tsam, kev tawm tsam, thiab kev tsis ncaj ncees, thiab rau lub pacification ntawm rebellious legions.
Qhov kev tshwm sim hauv lub neej tseem ceeb ntawm kev ntsuas kev ntsuas kev sib raug zoo twg muaj tus lej ntau tshaj?
Qhov kev tshwm sim ntawm qib siab tshaj yog tuag ntawm tus txij nkawm(nrog tus nqi nruab nrab ntawm 100), txheeb ze rau kev sib yuav, nrog tus nqi nruab nrab ntawm 50, thiab, piv txwv, kev tuag ntawm tus phooj ywg ze, uas tau qhab nia 37. Qhov xwm txheej tseem ceeb ntawm lub neej ntawm Kev Hloov Kho Kev Ntsuas Kev Ntsuas Qhov Ntsuas puas muaj cov lej hloov pauv lub neej ntau tshaj?
