Qhov txawv ntawm Allogamy thiab Autogamy

Cov txheej txheem:

Qhov txawv ntawm Allogamy thiab Autogamy
Qhov txawv ntawm Allogamy thiab Autogamy

Video: Qhov txawv ntawm Allogamy thiab Autogamy

Video: Qhov txawv ntawm Allogamy thiab Autogamy
Video: Difference Between Isogamy, Anisogamy And Oogamy In Hindi/Urdu. 2024, Kaum ib hlis
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Qhov sib txawv tseem ceeb ntawm Allogamy thiab Autogamy yog Allogamy yog kev sib xyaw ntawm txiv neej thiab poj niam gametes uas los ntawm ob tus neeg sib txawv thaum Autogamy yog kev sib xyaw ntawm txiv neej thiab poj niam gametes ntawm tib tus neeg. Lwm qhov sib txawv ntawm allogamy thiab autogamy nrog rau cov xeeb ntxwv uas tsim tawm yog tias cov allogamy tsim cov caj ces sib txawv thaum autogamy tsim cov caj ces zoo tib yam.

Fusion ntawm ib tug txiv neej gamete nrog ib tug poj niam gamete yog fertilization. Ib tug zygote tsim los ntawm fertilization thiab ces nws undergoes cell division los tsim ib tug tshiab xeeb tub. Tsis tas li ntawd, fertilization tuaj yeem yog ob hom; self-fertilization los yog cross-fertilization. Allogamy yog ib lub ntsiab lus rau kev ua qoob loo thiab Autogamy yog ib lub ntsiab lus rau kev yug tus kheej.

Allogamy yog dab tsi?

Allogamy yog ib hom fertilization uas tshwm sim ntawm lub qe qe ntawm ib tus neeg thiab cov phev ntawm lwm tus neeg. Yog li ntawd, nws yog ib hom ntoo khaub lig-fertilization. Qhov piv txwv zoo tshaj plaws ntawm allogamy yog fertilization uas tshwm sim hauv tib neeg. Txawm li cas los xij, hauv cov nroj tsuag, allogamy yog categorized rau hauv ob feem; geitonogamy thiab xenogamy. Geitonogamy yog hais txog kev hloov ntawm paj ntoos los ntawm anther mus rau stigma ntawm lwm lub paj ntawm tib tsob nroj. Txawm hais tias nws tau piav qhia nyob rau hauv tus ntoo khaub lig-fertilization, genetically nws yog ib hom ntawm tus kheej-pollination. Xenogamy tshwm sim ntawm ob tus neeg sib txawv ntawm caj ces. Hauv xenogamy, paj ntoos los ntawm ib tsob nroj tso rau ntawm stigma ntawm paj ntawm lwm tsob nroj.

Qhov txawv ntawm Allogamy thiab Autogamy
Qhov txawv ntawm Allogamy thiab Autogamy

Daim duab 01: Allogamy

Allogamy muaj txiaj ntsig zoo hauv kev npog cov teebmeem ntawm cov alleles recessive nyob rau hauv progeny. Thaum xav txog xenogamy, nws yog ib qho kev hloov pauv tseem ceeb tshwm sim uas ua rau muaj kev sib txawv ntawm caj ces ntawm cov kab mob hauv cov pej xeem.

Autogamy yog dab tsi?

Autogamy yog hom kev ua rau nws tus kheej fertilization uas fusion ntawm ob gametes ntawm tib tus neeg tshwm sim. Nws yog tsuas yog pom nyob rau hauv flowering nroj tsuag. Nws tuaj yeem raug hu ua tus kheej-pollination ib yam nkaus, vim hais tias, thaum lub sij hawm tus kheej-pollination, paj ntoos nplej poob mus rau lub stigma ntawm tib lub paj. Thaum gametes los ntawm tib tus neeg, lawv yog cov caj ces zoo tib yam. Li no, nws tsim cov noob caj noob ces zoo tib yam li cov pejxeem uas evolutionarily tsis tseem ceeb.

Qhov txawv tseem ceeb ntawm Allogamy thiab Autogamy
Qhov txawv tseem ceeb ntawm Allogamy thiab Autogamy

Daim duab 02: Autogamy

Txhawm rau txhim kho nws tus kheej pollination, qee cov nroj tsuag qhia kev hloov pauv sib txawv. Autogamy yog qhov ua tau zoo thaum lub paj kaw dua li thaum lawv qhib. Piv txwv ntawm cov nroj tsuag uas siv cov txheej txheem no suav nrog paj noob hlis, orchid, peas, thiab tridax.

Dab tsi zoo sib xws ntawm Allogamy thiab Autogamy?

  • Fusion ntawm gametes tshwm sim hauv ob txheej txheem.
  • Ob leeg Allogamy thiab Autogamy tshwm sim hauv cov paj ntoo.
  • Ob qho tib si Geitonogamy (ib feem ntawm Allogamy) thiab Autogamy yog hom ntawm tus kheej pollination

Qhov txawv ntawm Allogamy thiab Autogamy yog dab tsi?

Allogamy yog fusion ntawm gametes muab los ntawm ob tus neeg. Autogamy yog fusion ntawm gametes muab los ntawm tib tus neeg. Ntxiv mus, hauv Allogamy, tuaj yeem muaj ob hom; geitonogamy thiab xenogamy.

Hais txog kev tsim cov xeeb ntxwv, allogamy tsim cov noob caj noob ces sib txawv thaum autogamy tsim cov noob caj noob ces zoo tib yam. Tsis tas li ntawd, allogamy yog cov txheej txheem tseem ceeb ntawm kev hloov pauv vim nws tsim cov noob caj noob ces ntau haiv neeg. Thiab autogamy tsis tseem ceeb vim nws tsim cov noob caj noob ces.

Qhov sib txawv ntawm Allogamy thiab Autogamy hauv Daim Ntawv Tabular
Qhov sib txawv ntawm Allogamy thiab Autogamy hauv Daim Ntawv Tabular

Summary – Allogamy vs Autogamy

Allogamy thiab autogamy yog cov lus sib dhos rau kev sib kis thiab ua rau nws tus kheej fertilization feem. Fusion ntawm ob gametes uas tau los ntawm ob tug neeg tshwm sim nyob rau hauv allogamy thaum nyob rau hauv autogamy, fusion ntawm ob gametes tau los ntawm tib tus neeg tshwm sim. Geitonogamy thiab xenogamy yog ob hom allogamy. Xenogamy tshwm sim ntawm ob tus neeg sib txawv uas txawv ntawm caj ces. Nyob rau hauv geitonogamy, ob tug tib neeg genetic tib neeg koom nrog zoo ib yam li autogamy uas tshwm sim ntawm txiv neej thiab poj niam qhov chaw ntawm tib lub paj. Qhov no yog qhov txawv ntawm allogamy thiab autogamy.

Pom zoo: