Video: Nyob rau theem dab tsi ntawm kev tsim cov kab mob fungal yog diploid cells tsim?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Hauv lub neej voj voog ntawm kev sib deev deev kab mob , ib haploid theem alternates nrog a diploid theem . Cov haploid theem xaus nrog nuclear fusion, thiab diploid theem pib nrog kev tsim zygote (the diploid xov ua los ntawm fusion ntawm ob qhov kev sib deev haploid hlwb ).
Los ntawm qhov ntawd, dab tsi yog cov kab mob hauv lub voj voog lub neej fungal?
lub neej voj voog . Kab mob , tsim tawm hauv cov pos hniav, tom qab ntawd tau tawg thoob plaws nws ib puag ncig, thiab pib txheej txheem piav qhia saum toj no. Kab mob tsim los ntawm kev paub tab kab mob raug tso tawm mus rau ib puag ncig ib puag ncig, qhov uas lawv faib thiab loj hlob mus rau hauv hyphae. Hyphae yog cov hauv paus zoo li xov ua los ntawm cov hlwb haploid.
puas yog mycelium haploid lossis diploid? Thawj qhov hyphae tsim los ntawm a kab mob tsuas muaj ib daim qauv ntawm txhua ntawm nws cov chromosomes. Yog li, nws yog haploid . Qhov tshwm sim cov mycelium yuav tseem yog haploid . Thaum ib haploid mycelium ntsib lwm tus haploid mycelium ntawm tib hom, ob kuv tau fuse.
Hauv no, puas yog cov kab mob haploid lossis diploid rau feem ntau ntawm lawv lub neej mus los?
Feem ntau cov hu ua fungi muaj ob leeg a haploid thiab a diploid ua theem hauv lawv lub neej.
Hom kab mob dab tsi hauv lub neej muaj cov kab mob hu ua fungi?
Feem ntau kab mob thiab qee tus neeg tawm tsam (unicellular eukaryotes) muaj haploid-dominant lub neej voj voog , nyob rau hauv uas "lub cev" ntawm cov kab mob-uas yog, paub tab, ecologically tseem ceeb daim ntawv -yog haploid. Piv txwv ntawm a kab mob nrog haploid-dominant lub neej voj voog yog dub khob cij pwm, uas nws kev sib deev lub neej voj voog yog qhia hauv daim duab hauv qab no.
Pom zoo:
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