Pteridophytes qhia sporic meiosis, i.e. tsim cov spores los ntawm meiosis, uas germinates kom nce mus rau gametophytes. Spores yog tsim nyob rau hauv lub sporangia los ntawm meiosis nyob rau hauv spor niam hlwb.
Sporic meiosis yog dab tsi?
Sporic meiosis yog a meiosis uas tshwm sim ntawm fertilization thiab tsim gametes. Qhov no koom nrog hauv kev tsim cov spores. Qhov no tshwm sim feem ntau nyob rau hauv cov nroj tsuag. Cov no muaj lub neej haplontic. Cov nroj tsuag lub neej voj voog yog diplohaplontic.
Dab tsi qhia zygotic meiosis?
Yog li, lo lus teb raug yog kev xaiv B, Thallophyta. Lus Cim: Cov tswv cuab ntawm ntsuab algae qhia zygotic, gametic thiab sporic meiosis.
YPuas peat moss qhia Sporic meiosis?
Lub sporophyte yog lub cim diploid ntawm peat moss uas tsim los ntawm ib tug zygote raws li qhov tshwm sim ntawm kev sib deev kev sib deev. Cov ntaub so ntswg muab tau los ntawm lub hauv paus ntawm tus poj niam lub cev tiv thaiv thiab nourishes sporophyte thaum lub sij hawm thaum ntxov ntawm txoj kev loj hlob. … Yog li, meiosis ntawm ib diploid sporocyte yields plaub haploid spores
Hom meiosis twg pom nyob hauv Thallophytes?
Teb: Lub zygotic meiosis muaj nyob rau hauv lub neej haplontic, uas meiosis tshwm sim hauv zygote. Cov gametic meiosis tshwm sim hauv qee cov kab mob, uas meiosis tshwm sim hauv cov hlwb ntawm cov kab mob diploid los ua haploid gametes.
