Apomixis (biology txhais): kev yug me nyuam asexual uas tshwm sim tsis muaj fertilization tab sis tsim embryo(s) thiab noob(s). … Ib qho piv txwv ntawm apomixis yog apomictic parthenogenesis nyob rau hauv lub qe cell tsim ncaj qha mus rau hauv ib lub embryo yam tsis muaj fertilization ua ntej.
Apomixis piv txwv chav kawm 12 yog dab tsi?
- Cov txheej txheem uas kev txhim kho ntawm cov nroj tsuag tshiab tshwm sim yam tsis muaj kev koom tes ntawm gametes lossis tsis muaj fertilization hu ua apomixis. … - Feem ntau cov nroj tsuag tsim cov noob sib txawv ntawm cov noob los ntawm kev sib xyaw ntawm cov qe qe qe thiab paj ntoos nplej.
Apomixis piav qhia yog dab tsi?
"Cov txheej txheem ntawm kev loj hlob ntawm diploid embryos yam tsis muaj fertilization." Los yog. "Apomixis yog ib daim ntawv ntawm kev yug me nyuam asexual uas tshwm sim los ntawm cov noob, uas embryos loj hlob yam tsis muaj fertilization. "
Apomixis luv teb yog dab tsi?
Apomixis yog lub tshuab ntawm cov noob qoob loo tsis muaj fertilization. Nws yog ib hom kev yug me nyuam uas ua raws li kev sib deev kev sib deev, qhov twg tus poj niam gametophyte los yog ovule nyob rau hauv lub paj ncaj qha mus rau hauv lub embryo hla meiosis thiab syngamy.
Apomixis yog dab tsi piav qhia ntau hom apomixis nrog tus qauv tsim nyog?
Recurrent and Non-recurrent Apomixis
In recurrent apomixis, ob lub qe-cell thiab embroyo yog diploid thiab embroyosac yog tsim los ntawm megaspore niam cell. Nyob rau hauv non-recurrent apomixis, ob lub qe-cell thiab embroyo yog haploid thiab embroyo yog tsim ncaj qha los ntawm lub qe-hlwb yam tsis muaj fertilization.
