Teb: Yes yog tias megaspore tsim ino embryo sac yam tsis muaj miotic division qe yuav diploid. Diploid qe loj hlob mus rau hauv embryo los ntawm mitotic divisions. Nco ntsoov Apomixis yog ib daim ntawv ntawm asexual reproduction los tsim cov noob yam tsis muaj fertilization.
Puas muaj peev xwm tias lub hnab apomictic embryo uas tsis muaj menyuam tuaj yeem ua rau lub embryo diploid muab qhov laj thawj los txhawb koj cov lus teb?
Yes, ib qho apomictic embryo sac uas tsis muaj menyuam tuaj yeem ua rau lub embryo diploid. Yog hais tias lub megaspore loj hlob mus rau hauv lub embryo sac yam tsis muaj mitotic division, nws yuav ua rau ib tug diploid embryo.
Dab tsi yog apomictic embryo sac?
Apomixis: Embryo Sacs thiab Embryos tsim yam tsis muaj Meiosis lossis Fertilization hauv Ovules.
Puas Apomixis pollination thiab fertilization tsim nyog?
Teb: Pollination thiab fertilization tsis tsim nyog rau apomixis. Cov laj thawj hauv kev txhawb nqa ntawm qhov no tau muab hauv qab no (i) Embryo sac tuaj yeem txhim kho los ntawm megaspore yam tsis muaj kev txo qis lub qe yog diploidand tsim rau hauv embryo.
Yuav ua li cas yog lub hnab embryo ntawm qee hom apomictic zoo li qub tab sis muaj cov hlwb diploid?
Cov hnab Embryo ntawm qee hom apomictic zoo li qub, tab sis muaj cov hlwb diploid. Qhia qhov kev piav qhia tsim nyog rau tus mob. Teb: … Nws tshwm sim nyob rau hauv lub megaspore niam cell tsis undergomeiosis, yog li produces diploid embryo sac los ntawm mitotic divisions.
