2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Autopolyploidy. Autopolyploids yog polyploidsnrog ntau cov chromosome teev tau los ntawm ib qho se. … Feem ntau ntawm autopolyploidy tshwm sim los ntawm kev sib xyaw ntawm unreduced (2n) gametes, uas ua rau triploid (n + 2n=3n) lossis tetraploid (2n + 2n=4n) cov xeeb ntxwv.
Cov nroj tsuag twg yog tetraploid?
Piv txwv ntawm cov nroj tsuag tseem ceeb polyploid siv rau tib neeg cov zaub mov suav nrog, Triticum aestivum (nplej), Arachis hypogaea (peanut), Avena sativa (oat), Musa sp. (txiv tsawb), ntau hom kev ua liaj ua teb Brassica, Solanum tuberosum (qos), Fragaria ananassa (strawberry), thiab Coffea arabica (coffee).
Dab tsi yog tetraploid?
Tsuas yog ob qhov xwm txheej ntawm kev ua tiav polyploidy paub ntawm cov noog, thiab tsuas yog ib qho ntawm cov tsiaj nyeg: tus South American liab viscacha nas(uas yog qhov ntxim nyiam tshaj li nws suab). Nws muaj plaub daim ntawv luam ntawm nws cov genome, uas ua rau nws tetraploid. Polyploidy feem ntau me ntsis ntawm lwm cov tsiaj.
Puas nplej yog tetraploid?
Nyob rau hauv qhov kev tshuaj xyuas no, peb thiaj suav hais tias Asian cultivated rice as a diploid species and tetraploid rice as contain ob sets of 24 chromosomes].
2 hom polyploidy yog dab tsi?
Muaj ob hom polyploidy- autopolyploidy thiab allo(amphi)polyploidy. Muaj ntau hom nyob hauv txhua qhov kev faib loj no.
Pom zoo:
Puas yog cov nroj tsuag tetraploid tsis muaj menyuam?
Triploids feem ntau yog autopolyploids. Lawv tshwm sim nyob rau hauv qhov xwm txheej los yog tsim los ntawm geneticists los ntawm crossof a 4x (tetraploid) thiab 2x (diploid). Lub 2x thiab x gametes sib sau ua ib lub 3x triploid. Triploids yog tus yam ntxwv tsis muaj menyuam.
Puas yog ntsev thiab kua txob lossis kua txob thiab ntsev?
Ntshav thiab kua txob yog lub npe siv tau rau ntsev thiab kua txob dub, uas yog ib txwm ua khub ntawm cov rooj noj mov sab hnub poob kom tso cai rau cov khoom noj ntxiv tom qab nws npaj.. Thaum lub sij hawm npaj zaub mov los yog ua noj, lawv kuj tseem yuav muab ntxiv ua ke.
Puas yog malcolm thiab marie dub thiab dawb?
Tus thawj Netflix, ua yeeb yaj kiab dub-thiab-dawb, hnub qub Zendaya li Mariethiab John David Washington ua Malcolm thiab tshawb txog lawv txoj kev sib raug zoo tsis zoo los ntawm lub lens ntawm ib hmo. Puas yog tag nrho cov yeeb yaj kiab ntawm Malcolm thiab Marie dub thiab dawb?
Puas yog hochanda thiab tsim thiab craft tib lub tuam txhab?
Raws hnub tim 1 lub Plaub Hlis yuav hloov lawv lub npe mus rau… Lub Tsev Muag Khoom! Lawv tseem yuav yog tib lub tsev ntawm Crafts, Hobbies thiab Arts ib txwm muaj tab sis tsuas yog nrog lub npe tshiab! Yuav ua li cas nrog Tsim thiab Craft thiab Hochanda?
Puas yog biscuits thiab gravy lossis gravy thiab biscuits?
Cov zaub mov muaj cov khob noom cookie uas npog rau hauv sawmill los yog nqaij gravy, ua los ntawm cov kua txiv hmab txiv ntoo siav, hmoov nplej dawb, mis nyuj, thiab ntau zaus (tab sis tsis tas li.) cov hnyuv ntxwm, nqaij npuas kib, nqaij nyug av, lossis lwm yam nqaij.
