Qhov qhov tseem ceeb sib txawv ntawm interspecific thiab intraspecific hybridization yog tias interspecific hybridization tshwm sim ntawm ob tus neeg muaj feem cuam tshuam rau ob hom sib txawv, thaum lub intraspecific hybridization tshwm sim ntawm caj ces. divergent ob tug neeg ntawm tib hom.
Hybridization yog txheej txheem ntawm kev sib yuav los yog hla kev sib txawv ntawm cov tib neeg lossis pab pawg. Lub hom phiaj tseem ceeb ntawm hybridization yog los ua ke cov noob uas xav tau tam sim no hauv cov kab mob sib txawv. Tsis tas li ntawd, hybridization yog siv los tsim cov qoob loo ntshiab. Kev sib yuav tuaj yeem ua tiav ntawm ob tus neeg ntawm tib hom lossis ntawm ob tus neeg ntawm hom sib txawv. Raws li qhov no, muaj ob hom hybridization: intraspecific hybridization thiab interspecific hybridization.
Dab tsi yog Interspecific Hybridization?
Interspecific hybridization yog txheej txheem ntawm kev sib tw ob tus neeg ntawm ob hom sib txawv. Txawm li cas los xij, ob hom no yuav tsum yog los ntawm tib lub genus. Nws yog ib hom intragenic hybridization vim nws suav nrog cov tib neeg cuam tshuam. Interbreeding ntawm hom tsis tau txais thiab ua tau raws li lub tswv yim hom tsiaj. Txawm li cas los xij, interbreeding ntawm hom lossis interspecies hybridization yog ua los txhawm rau txhawm rau siv cov noob muaj txiaj ntsig los ntawm cov tsiaj qus thiab tsim cov tsiaj tsis zoo rau hom qoob loo, thiab lwm yam.
Daim duab 01: Kev sib xyaw ua ke sib txawv - Liger
Qee cov hybrids uas tshwm sim los ntawm interspecific hybridization yog mule (txiv neej luav x poj niam nees), hinny (txiv neej nees x poj niam luav) andliger (txiv neej tsov ntxhuav x poj niam tsov). Tsis tas li ntawd, hauv kev yug me nyuam sunflower, interspecific hybridization yog pab tau. Nws broadens cov noob caj noob ces ntawm sunflowers. Tsis tas li ntawd, kev siv interspecific hybridization yog nce nyob rau hauv kev loj hlob txiv hmab txiv ntoo hom qoob loo nyob rau hauv thiaj li yuav siv ib txwm tshwm sim los ntawm kab tsuag thiab kab mob tsis kam, txiv hmab txiv ntoo zoo Cheebtsam, thiab lwm yam. Txawm li cas los, interspecies hybridization yuav nyuaj vim sib txawv ploidy theem thiab genetic incompatibilities. Tsis tas li ntawd, interspecific hybrids muaj txoj hauv kev ua kom tsis muaj menyuam.
Intraspecific Hybridization yog dab tsi?
Intraspecific hybridization yog kev sib koom ua ke ntawm ob tus neeg los ntawm tib hom uas sib txawv ntawm caj ces. Hauv lwm lo lus, intraspecific hybridization yog kev sib deev kev sib deev uas tshwm sim hauv tib hom. Yog li ntawd, nws tuaj yeem tshwm sim ntawm ntau hom sub-species hauv ib hom. Selective yug me nyuam yog lwm lub npe rau intraspecific hybridization.
Daim duab 02: Intraspecific Hybridization
Nyob rau hauv kev cog qoob loo thiab tsiaj yug tsiaj, tib neeg siv cov txheej txheem kev xaiv yug me nyuam no txhawm rau tsim cov phenotypes lossis qhov zoo. Txawm li cas los xij, intraspecific hybridization tuaj yeem ua rau invasiveness ntawm qee hom.
Dab tsi yog qhov zoo sib xws ntawm Interspecific thiab Intraspecific Hybridization?
- Interspecific thiab intraspecific hybridization yog ob txoj kev sib deev.
- Lawv ua rau ib tug hybrid uas txawv ntawm niam txiv.
- Ntxiv mus, mating yog ua tiav nyob rau hauv ob txoj kev.
- Cov txheej txheem no nce heterozygosity hauv cov pejxeem.
Qhov txawv ntawm Interspecific thiab Intraspecific Hybridization yog dab tsi?
Hybridization yog txoj hauv kev siv ntau tshaj plaws los tsim cov phenotypes uas muaj qhov xav tau. Interspecific thiab intrasepcific hybridization yog ob hom ntawm nws. Hauv interspecific hybridization, ob tus neeg los ntawm ob hom sib txawv yog hla. Hauv intraspecific hybridization, ob tus neeg los ntawm tib hom raug hla. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm intersepcific thiab intraspecific hybridization.
Gene ntws tshwm sim ntawm cov hom sib txawv hauv kev sib txawv ntawm kev sib txawv thaum cov noob ntws tshwm sim ntawm ob hom noob caj noob ces ntawm tib hom hauv intraspecific hybridization. Yog li ntawd, qhov no yog lwm qhov sib txawv ntawm qhov sib txawv ntawm qhov sib txawv thiab qhov sib txawv ntawm qhov sib txawv.
Summary – Interspecific vs Intraspecific Hybridization
Hybridization yog cov txheej txheem ntawm kev sib txuas cov kab mob sib txawv hauv cov kab mob txhawm rau tsim cov yam ntxwv zoo lossis cov phenotypes. Hybridization tuaj yeem yog intraspecific lossis interspecific. Interspecific hybridization yog txheej txheem mating ntawm cov tib neeg ntawm ntau hom. Nyob rau hauv sib piv, intraspecific hybridization yog txheej txheem mating ntawm cov noob caj noob ces sib txawv ntawm tib hom. Yog li, qhov no yog qhov sib txawv ntawm qhov sib txawv ntawm qhov sib txawv thiab qhov sib txawv ntawm qhov sib txawv.
