Koj puas xav tau tus miv dawb, tab sis koj puas tau hnov qee qhov tias lawv txhua tus lag ntseg? Tej zaum qhov no tsuas yog kev xaiv ntsej muag xwb, tab sis cov ntaub ntawv no yuav tig los ua neeg ntseeg siab. Txhua tus miv dawb puas yog tus lag ntseg, thiab yog tias muaj, vim li cas?
Raws li ib qho ntawm cov neeg tshaj lij hais tias, "txawm tias tus miv me tshaj plaws zoo nkauj." Qee tus neeg nyiam fluffy cov miv loj, thiab ib tug neeg vwm txog cov miv-ntxim hlub, uas nws cov tawv nqaij tsis nrog plaub hau. Tab sis yuav luag txhua tus neeg uas nyiam miv pom zoo tias daus dawb nrog miv xiav nrog qhov muag xiav yog ib qho zoo nkauj tshaj plaws.
Hmoov tsis zoo, muaj lub tswvyim hais ua dabneeg hais tias cov miv dawb tsis hnov dab tsi. Cov neeg ntseeg hais tias yog tias ib tug miv muaj plaub zoo nkauj dawb thiab lub teeb tsis muaj qhov muag, ces nrog yuav luag ib puas feem ntau qhov tseeb tus miv no lag ntseg. Puas yog tiag?
Vim li cas coob leej xav tias cov miv dawb yog lag ntseg?
Qhov tseeb yog tias nyob hauv daus-dawb miv thiab miv, tus kabmob epistatic W yog qhov tseem ceeb hauv cov caj ces. Nws yog feem ntau tsis meej pem nrog albinism, tab sis qhov tseeb nws tsis yog tib yam nkaus. Nws yog qhov muaj cov noob no uas piav qhia qhov tseeb tias 2 ntawm 10 tus miv dawb tau hnov tsis muaj dab tsi.
Tab sis cov gene no tuaj yeem, nrog qhov siab ntawm qhov tshwm sim, pom nyob hauv lub cim ntawm cov qhiav qhiav, thiab dub, thiab txawm tias tabby, thiab lawv tuaj yeem cia li lag ntseg. Ntxiv mus, tus gene no tau dhau los ntawm niam txiv rau menyuam, yog li ntawd qee tus kittens hauv cov khib nyiab no yuav ua rau lag ntseg tsis hais lawv cov plaub xim. Thiab albinism tseem muaj lub luag haujlwm rau cov xim dawb ntawm lub tsho tiv no, uas tsis muaj kev cuam tshuam nrog lag ntseg.
Yuav ua li cas nkag siab hais tias ib tus miv dawb tsis hnov?
Yog tias koj tseem xav kom koj tus kheej ua menyuam yaus uas yog tawv nqaij dawb, tab sis tsis npaj siab los saib xyuas tus tsiaj lag ntseg, ces koj yuav tsum txiav txim siab seb tus miv puas lag ntseg ua ntej koj coj nws mus rau hauv tsev. Raws li txoj cai, lag ntseg me nyuam yaus nws txawv ntawm nws cov kwv tij thiab cov muam hauv lub suab uas nws ua rau nrov dua lwm cov, vim nws tsis tuaj yeem hnov nws tus kheej. Tus miv laus, uas muaj teeb meem hnov, tsis teb rau lub suab xws li xeb tuaj ntawm cov zaub mov nchuav rau hauv lub tais lossis lub suab qhib lub qhov rooj tub yees. Koj yuav tsum ceeb toom tshwj xeeb yog tias tus miv ntshai thaum koj mus txog ntawm nws nraub qaum. Lub rooj sib hais ntawm ib tug miv dog dig yog qhov tsis pom tseeb, thiab nws yuav tsum tau hnov koj lub ko taw.
Yog tias tus lag ntseg lossis miv nyob hauv koj lub tsev, ib txwm saib hauv qab taw thiab nug koj cov qhua txog nws. Hmoov tsis zoo, tus miv lag ntseg muaj qhov ua rau raug mob ntau dua li cov miv zoo tib yam, vim hais tias ib qho ntawm lawv qhov kev hnov yog atrophied thiab lawv yuav tsis muaj qhov phom sij txaus ntshai. Cov miv thiab miv zoo li no tseem xav tau lub ntsej muag me ntsis ntau dua li cov zoo tib yam, tab sis txwv tsis pub lawv yog tib yam ntxim hlub, ntxim nyiam thiab tsiaj ntxim nyiam, zoo li lawv hnov.
