"Txoj kev cog qoob loo yog qhov nthuav los ntawm qhov kev xav ntawm genomic, vim nws yog ib hom polyploid hybrid hom." Tsis zoo li peas, piv txwv li, los yog tib neeg, rau qhov teeb meem, uas yog diploids (nrog ob pawg chromosomes), strawberry yog ib qho octoploid (nrog yim pawg chromosomes).
Yuav ua li cas yog polyploid strawberry txawv ntawm diploid strawberry?
Ntau hom yog diploid, txhais tau tias lawv muaj ob pawg ntawm chromosomes, ib pawg chromosomes feem ntau tau txais los ntawm txhua tus niam txiv. Polyploidy, ib qho mob ntau dua hauv cov nroj tsuag, tshwm sim thaum ntau khub ntawm chromosomes tam sim nohauv cov caj ces ntawm cov kab mob.
Vim li cas txiv pos nphuab yog octoploid?
Cov txiv pos nphuab ntawm kev lag luam yog octoploid (2n=8 ×=56; xya chromosomes thiab yim chromosomes ib txheej, 56 tag nrho), txhais tau hais tias txhua lub xov tooj muaj cov seem ntawm plaub cais poj koob yawm txwv diploid subgenomes uas underlie strawberry daim ntawv thiab muaj nuj nqi. … vesca yog tus pab txhawb rau octoploid genome.
Dab tsi yog qhov zoo ntawm kev muaj polyploid strawberries?
Polyploidy muaj qee qhov zoo, thiab ob qho tib si nature thiab cov cog qoob loo tau ua si nrog nws ntau heev. Piv txwv li, polyploidy ua rau strawberry loj heev, txiv tsawb seedless, paj rwb fibers ntau dua thiab lily paj loj dua thiab ci dua. Ntau, Ntau & Ntau!
Puas muaj pes tsawg chromosomes hauv strawberry?
Strawberries muaj 7 chromosomes, tab sis lawv yog octoploid. Qee cov txiv tsawb yog triploid (3 daim ntawv luam) thiab muaj 11 tus neeg chromosomes.
