Qhov sib txawv tseem ceeb ntawm gamete thiab gametophyte yog tias gamete yog cov cell sib deev uas tsim los ntawm cov kabmob sib deev ntawm gametophyte thaum gametophyte yog txiv neej lossis poj niam haploid theem ntawm lub neej voj voog ntawm qee yam kabmob nrog rau cov nroj tsuag thiab algae.
Nyob rau hauv lub neej voj voog ntawm cov nroj tsuag thiab tej yam kab mob, txiv neej thiab poj niam gametophytes tuaj yeem pom. Txiv neej gametophyte tsim cov txiv neej gametes thaum poj niam gametophyte tsim cov poj niam gametes. Txiv neej thiab poj niam gametes yog cov hlwb haploid los yog cov kab mob, uas koom nrog kev sib deev. Lawv dhau los ua cov txheej txheem fertilization thiab tsim ib lub diploid zygote uas tuaj yeem txhim kho mus rau ib tus neeg tshiab.
Gamete yog dab tsi?
Gamete yog lub cell haploid uas muaj ib nrab ntawm cov chromosome teeb lossis ib nrab ntawm cov khoom siv caj ces ntawm lub cev. Nws tuaj yeem yog txiv neej lossis poj niam gamete. Gamete muaj peev xwm fuse nrog kev sib deev gamete los tsim ib lub cell diploid hu ua zygote. Yog li ntawd, nws yog ib tug paub tab kev sib deev cell uas muaj nyob rau hauv kev sib deev reproduction. Tom qab ntawd lub zygote faib los ntawm mitosis thiab dhau los ua ib lub cev tag nrho.
Daim duab 01: Gametes
Gametophytes yog theem kev sib deev ntawm lub neej voj voog uas tsim gametes. Lawv yog ib theem haploid. Yog li lawv tsim gametes ntawm mitosis. Thaum gametes sib sau ua ke, nws ua rau cov xeeb ntxwv sib txawv, tsis zoo li tiam sporophytic.
Gametophyte yog dab tsi?
Gametophyte yog theem kev sib deev ntawm lub neej voj voog ntawm qee yam kab mob. Nws yog ib qho ntawm ob theem sib hloov ntawm lub neej voj voog. Muaj ob hom gametophytes; poj niam gametophyte thiab txiv neej gametophyte. Kev sib deev hauv nruab nrog cev ntawm gametophytes tsim gametes rau kev sib deev. Poj niam gametophyte tsim qe qe los yog poj niam gametes thaum txiv neej gametophyte tsim cov phev hlwb los yog txiv neej gametes.
Daim duab 02: Gametophytes
Gametophytes yog haploid multicellular qauv. Cov nroj tsuag muaj heteromorphic gametophytes, megagametophyte thiab microgametophyte thaum qee cov nroj tsuag qis muaj txiv neej thiab poj niam gametophytes uas tsis paub qhov txawv. Tsis tas li ntawd, qee cov nroj tsuag muaj monoicous gametophytes thaum qee qhov muaj dioicous gametophytes. Monoicous gametophyte tsim cov phev thiab qe thaum dioicous gametophytes tsim cov gametes cais cov phev lossis qe tab sis tsis yog ob qho tib si.
Qhov Zoo sib xws ntawm Gamete thiab Gametophyte yog dab tsi?
- Gamete thiab gametophyte yog haploid. Yog li lawv muaj ib nrab ntawm cov khoom siv caj ces.
- Lawv koom nrog kev sib deev.
- Tsis tas li, lawv pab txhawb kev sib txawv ntawm caj ces ntawm cov kab mob.
- Ntxiv mus, gametes thiab gametophytes muaj ob hom kev sib deev; txiv neej thiab poj niam.
Qhov txawv ntawm Gamete thiab Gametophyte yog dab tsi?
Gamete thiab gametophyte yog ob lub qauv haploid ntawm kev sib deev theem ntawm kev ua neej nyob ntawm cov nroj tsuag thiab algae. Gametophytes muaj cov kabmob sib deev uas koom nrog kev tsim cov gametes. Ntawm qhov tod tes, gametes yog cov hlwb sib deev lossis cov kab mob hlwb, uas dhau los ua fertilization los tsim ib lub zygote, uas yog diploid. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm gamete thiab gametophyte. Tsis tas li ntawd, gametes thiab gametophytes yog ob hom; txiv neej thiab poj niam. Thaum tus poj niam gametophyte tsim cov poj niam gamete lossis qe cell, txiv neej gametophyte tsim txiv neej gamete lossis phev cell. Ntxiv mus, lwm qhov sib txawv ntawm gamete thiab gametophyte yog tias gamete yog cov qauv haploid unicellular thaum gametophyte yog cov qauv haploid multicellular.
Cov duab hauv qab no qhia txog qhov sib txawv ntawm gamete thiab gametophyte raws li lawv cov qauv, qhov tseem ceeb thiab lub luag haujlwm hauv kev sib deev.
Summary – Gamete vs Gametophyte
Lub neej voj voog ntawm cov nroj tsuag hloov pauv feem ntau ntawm ob tiam neeg xws li theem kev sib deev thiab theem asexual. Ntawm no, theem kev sib deev yog gametophytic tiam uas yog haploid. Tsis tas li ntawd, cov gametophytes dais cov kabmob sib deev los tsim gametes lossis cov hlwb sib deev. Thaum cov poj niam gametophytes tsim qe qe, cov txiv neej gametophytes tsim cov phev hlwb. Tsis tas li ntawd, cov gametes kuj haploid, thiab lawv fuse nrog cov poj niam txiv neej sib txawv gamete thaum lub sij hawm kev sib deev los tsim cov zygote. Qhov no yog qhov txawv ntawm gamete thiab gametophyte.
