2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Chiasmata yog X-zoo li tus qauv tsim vim qhov chaw ntawm kev sib cuag ntawm khub chromatids thaum lub sij hawm meiosis. Nws yog lub ntsiab lus uas sawv cev rau crossover qhov twg homologous chromosomes koom ua ke.
Chiasmata hauv biology yog dab tsi?
Lub chiasma yog tus qauv uas tsim ntawm ib khub ntawm homologous chromosomes los ntawm crossover recombination thiab lub cev txuas cov homologous chromosomes thaum lub sij hawm meiosis.
Chiasmata nrog daim duab yog dab tsi?
Kos daim duab qhia koj cov lus teb. Chiasmata- Cov no yog cov ntsiab lus ntawm kev sib txuas ntawm homologous chromosomes thaum lawv sib cais hauv diplotene rau metaphase I theem ntawm meiosis. Chiasmata yog thawj zaug tsim nyob rau hauv cheeb tsam ntawm kev hla ntawm nonsister chromatids tab sis tom qab ntawd, zoo li hloov mus rau sab.
Chiasmata yog dab tsi thiab tau txais txiaj ntsig dab tsi?
Nyob hauv noob caj noob ces, chiasma (pl. chiasmata) yog qhov kev sib cuag, qhov sib txuas ntawm lub cev, ntawm ob (tsis yog tus muam) chromatids belongs rau homologous chromosomes. … Hauv meiosis, qhov tsis muaj chiasma feem ntau ua rau tsis raug chromosomal cais thiab aneuploidy.
Yuav ua li cas yog chiasma?
Cov qauv no yog tsim thaum hla ntawm cov tsis yog tus muam chromatids tshwm sim. Chiasmata tseem ceeb vim tias nws yog lub ntsiab lus uas cov noob ntawm niam thiab txiv sib pauv thiab ua rau rov ua dua. Qhov no recombination yogqhov pauv mus rau tus xeeb ntxwv uas ua kom muaj kev sib txawv.
Pom zoo:
Meiji kho chav kawm 11 yog dab tsi?
Meiji kev kho dua tshiab yog hais txog rau kev tshem tawm ntawm Shogunate thiab rov kho lub zog rau Mikado (Emperor) uas tau raug txo qis rau hauv 1868. Meiji Restoration txhais li cas? Lub Meiji Kev Txhim Kho yog kev tawm tsam uas ua rau hauv kev rhuav tshem Nyij Pooj lub feudal system ntawm tsoom fwv thiab kev kho dua ntawm imperial system.
Spermatogenesis chav kawm 12 yog dab tsi?
Spermatogenesis txhais tau tias yog txheej txheem uas cov phev raug tsim. … Cov phev yog txiv neej gametes uas fertilize nrog lub zes qe menyuam (poj niam gametes) tsim ib zygote. Cov phev yog tsim nyob rau hauv cov txiv neej testis. Cov phev yog tsim los ntawm cov txheej txheem hu ua spermatogenesis.
Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?
Myth: Ib tug dab tshos tsis yog neeg ncaj ncees yog tiasnws haum yog. Fact: Tu siab, qhov no yog ib lo lus tsis tseeb uas tau raug perpetuated los ntawm aversive trainers. Txawm hais tias haum rau lub caj dab kom zoo khawb rau hauv cov tawv nqaij rhiab nyob ib ncig ntawm lub caj dab, uas ua rau muaj kev puas tsuaj loj rau cov thyroid, esophagus, thiab trachea.
Lub luag haujlwm twg yog txoj cai tswjfwm rau cov kev kawm residuary chav kawm 10?
Nyob hauv Is Nrias teb, Union tsoom fwv muaj lub zog los tsim kev cai lij choj ntawm kev kawm ntxiv. Txoj cai tswjfwm twg yog cov cai lij choj ntawm Union daim ntawv teev npe chav kawm 10? Central Bureau of Intelligence and Investigation.
Cov tub ntxhais kawm uas tsis yog tsev kawm qib siab yog dab tsi?
Ntawm tus menyuam kawm ntawv: tsis koom nrog tsev kawm qib siab; koom nrog ib lub cev ntawm cov tub ntxhais kawm tsis txuas rau ib lub tsev kawm ntawv qib siab lossis chav tsev. Koj txhais li cas los ntawm tsis yog Collegiate? 1. qis dua qib feem ntau cuam tshuam nrog kev kawm hauv tsev kawm qib siab lossis tsev kawm qib siab.
