Ntau hom kev yug me nyuam tau pom nyob rau hauv rotifers. Qee hom tsuas yog cov poj niam uas tsim lawv cov ntxhais los ntawm cov qe tsis muaj menyuam, ib hom kev yug me nyuam hu ua parthenogenesis. Hauv lwm lo lus, cov hom kab mob no tuaj yeem txhim kho los ntawm lub qe tsis muaj menyuam, asexually.
Pob rotifers qhia parthenogenesis?
Cov chav kawm Rotifera suav nrog cov tsiaj uas rov tsim dua los ntawm apomictic poj niam parthenogenesis thiab hom uas hloov qhov "asexual" kev tsim tawm nrog kev sib deev zoo tib yam. … Rotifers yog opportunistic lossis colonizing kab mob, uas txhais tau hais tias xaiv rau kev loj hlob sai.
Yuav ua li cas rotifers reproduce?
Lub phylum Rotifera nyob rau hauv peb chav kawm uas rov tsim dua los ntawm peb txoj kev sib txawv: Seisonidea tsuas yog tsim kev sib deev; Bdelloidea reproduce nkaus xwb los ntawm asexual parthenogenesis; Monogononta reproduce alternating ob mechanisms ("cyclical parthenogenesis" los yog "heterogony").
poj niam rotifers yug li cas?
Cov poj niam amictic pib kev sib deev los ntawm producing mictic (sexual) ntxhais. … Cov poj niam mictic tsim los ntawm meiosis, haploid (n) qe, feem ntau me dua amictic qe. Tsuas yog nyob rau hauv ib txhais tes ntawm hom yog tib tug poj niam (hu ua 'amphoteric') muaj peev xwm tsim tau ob leeg txiv neej thiab poj niam xeeb tub.
Puas parthenogenesis tshwm sim hauv qaib ntxhw?
INTRODUCTION. Qaib thiabCov qe qaib ntxhw yog muaj peev xwm tsim cov txiv neej embryos yam tsis muaj fertilization los ntawm parthenogenesis (Olsen, 1975). Txawm hais tias lub qe tsis muaj menyuam yog haploid, qaib ntxhw parthenogens muaj feem ntau cov hlwb diploid.