Nyob rau hauv cov nplej hexaploid lub haploid thiab monoploid?

Cov txheej txheem:

Nyob rau hauv cov nplej hexaploid lub haploid thiab monoploid?
Nyob rau hauv cov nplej hexaploid lub haploid thiab monoploid?
Anonim

Hexaploid nplej yog tshwm sim los ntawm allopolyploidy ntxias los ntawm ob npaug ntawm cov chromosome tus naj npawb ntawm cov hybrid uas ua los ntawm hla ob hom nroj tsuag. Hauv hexaploid nplej triticale 2n=6x=42. Yog li jc stands rau tus lej chromosome thiab n rau haploid chromosome tooj. Yog li, n=21 thiab x=7 rau hexaploid nplej.

Tus lej haploid chromosome dab tsi yog hexaploid nplej?

Txoj kev tshawb fawb tam sim no qhia tias, raws li qhov ua ntej rau meiosis, cov 21 chromosome khub hauv hexaploid (thiab tetraploid) cov nplej sib koom ntawm cov centromeres rau hauv xya pawg raws li cov telomeres pib. pawg. Qhov no ua rau muaj kev sib koom ua ke ntawm ntau cov chromosomes, uas tom qab ntawd yuav tsum tau daws raws li meiosis zuj zus.

Puas monoploid yog haploid?

Raws li rau haploid thiab monoploid, ob nqe lus yog qee zaum siv sib hloov. Qhov no yog thaum lub sij hawm haploid txhais tsis yog muaj ib nrab ntawm ib qho tab sis raws li muaj ib daim qauv ntawm cov chromosomes hauv ib lub xov tooj ntawm tes; monoploid txhais tau tib yam.

Nplej haploid yog dab tsi?

Piv txwv li, tus naj npawb ntawm cov nplej yog 7, thaum tus lej haploid yog 7, 14 thiab 21 rau diploid, tetraploid thiab hexaploid, feem.

hom qoob mog hexaploid yog dab tsi?

Yog li thaum tib neeg lub xov tooj (diploid) muaj ob daim ntawv luam ntawm 23 chromosomes rau tag nrho ntawm 46 chromosomes, ib lub xov tooj ntawm tes (hexaploid) muaj rau daim ntawv ntawm nws xyachromosomes (42 chromosomes tag nrho). … Cov poj koob yawm txwv yog txhua tus diploid (ob pawg ntawm chromosomes) thiab tuaj koom ua ke los tsim cov nplej hexaploid.

Pom zoo:

Nthuav cov khoom
Puas yog sind walkie talkies?
Nyeem ntxiv

Puas yog sind walkie talkies?

A walkie-talkie, ntau lub npe hu ua handheld transceiver, yog ib lub tes tuav, portable, ob-txoj kev xov tooj cua transceiver. Nws txoj kev loj hlob thaum Tsov Rog Ntiaj Teb Zaum Ob tau ua ntau yam rau Donald Hings, xov tooj cua engineer Alfred J.

Puas tau tilapia thiab koi nyob ua ke?
Nyeem ntxiv

Puas tau tilapia thiab koi nyob ua ke?

Puas yuav muaj teeb meem nrog kev sib xyaw hom? Yog, Tilapia tuaj yeem nrog Koi; Txawm li cas los xij, zoo ib yam li kev sib xyaw ntawm Tilapia thiab Bass, cov neeg cog qoob loo yuav tsum tau cais cov tsiaj me los ntawm cov neeg laus kom tsis txhob noj cov ntses yau.

Can ick guard tua ntses?
Nyeem ntxiv

Can ick guard tua ntses?

Cov tshuaj ick no tua tag nrho kuv cov ntses ib hmos, suav nrog betta, guppies thiab octos. Kuv txawm siv ib nrab koob tshuaj kom nyob rau sab nyab xeeb. … Kuv pom tias thaum tsuas yog betta muaj 3 qhov chaw thiab maj mam khawb nws lub cev ib ntus ntawm no thiab qhov ntawd, yog thaum kuv pom.