Abubuwan yatsun hannu sun bambanta ma tsakanin jinsin halitta
Saboda ma'aurata suna raba irin wadannan halittu, zaka iya yin mamaki idan suna da matakan yatsan hannu. Idan kana rubuta wani littafi mai ban mamaki ko ƙoƙarin warware talabijin wanda ke nuna cewa akwai mummunan masarufi a aikin, za ka iya samun bayani daban.
Abokan tagwaye ba su da magungunan yatsun kafa, ko da yake kullun su suna ba su alamu masu kama da juna.
Tayi zata fara tasowa a cikin farkon makonni na ciki . Ƙananan bambance-bambance a cikin mahaifiyar mahaifa sun yi niyya don ba kowannensu tagwaye, amma irin wannan, yatsan hannu. A gaskiya, kowane yatsa yana da nau'i daban-daban, ko da don yatsunsu.
Dalilin Me yasa Abokin Tunawa Ba Su da Matsayin Abubuwa na Ƙira
Misali, ko monozygotic, ma'aurata sun fara a yayin da kwai guda ya hadu a cikin biyu bayan zane. Saboda sun fito daga zygote guda ɗaya, mutane biyu za su kasance iri ɗaya. Kwayoyin DNA ba su da bambanci. Idan majiyarka ta biyu ta sanya DNA a cikin wani laifi, tozarcin labarun ba zai iya gaya maka biyu ba tare da shaidar.
Duk da haka, samfurin zane-zane ba siffar jinsi ne kawai ba. Wannan ya kamata a bayyane saboda ba ku da wannan yatsan yatsa a yatsan yatsunku na hagu kamar yatsin yatsinku na dama ko da yake kuna da irin kwayoyin da ke tsarawa.
Ka yi ƙoƙarin buɗe wayarka ta kulle tare da lambar ID tare da kuskure. Ba ya aiki.
Kowace yatsunku tana da irin wannan nau'i na wariyar launuka, madaukai, da ridge, amma kowannensu na da mahimmanci. 'Yan sanda sun ɗauki kwafi na yatsunsu guda 10 domin su dace da su ga duk wanda aka samo a wani laifi. Kullin yatsa ba zai yi ba.
Masana kimiyya suna so su yi amfani da wannan batu a matsayin misali na tsohuwar "yanayin vs. nurture" muhawara. Fingerprinting, tare da wasu halaye na jiki, misali ne na wani sabon abu - ma'anar cewa an ƙaddara ta hanyar hulɗa da kwayoyin mutum da yanayin ci gaba a cikin mahaifa.
Ta yaya yatsun hannu suka bunkasa
Yawancin siffar yatsun hannu an yi tsammanin abubuwan da ke cikin yanayin ciki zasu rinjayi su. Gina mai gina jiki, hawan jini, matsayi a cikin mahaifa, da kuma ci gaba da yatsunsu a karshen ƙarshen farko na farko sunyi bambanci. Zaka iya samun irin wannan alamu na wulakanci da ƙuƙwalwa a cikin yatsun kafa na ma'aurata kamar haka saboda an tsara su a cikin kwayoyin. Amma kuma akwai bambance-bambance saboda yanayin muhalli, kamar dai yadda akwai bambancin tsakanin yatsunsu akan hannayen mutum.
Hannun hannu ko yatsunsu na iya zubar da jakar amniotic , alal misali, kuma bambancin kadan a matsalolin zai haifar da mintuna daban-daban, cikakkun bayanai game da inda kullun fata suka hadu, karshen, ko bifurcate. An yi tsammanin ƙuƙwalwar ƙwallon ƙafa a tsakanin makonni shida da 13 na ciki saboda matsanancin damuwa a cikin tantanin halitta na kwayoyin halitta na yatsunsu.
Masu bincike sun kwatanta shi zuwa gine-gine ta talikan tectonic duniya.
Yayin da aka tayar da takalmin yatsa, menene za su zama lebur, layi da layi daya sun zama sifofi da madaukai, kamar layin tsawa na daidaituwa daidai akan taswira. Sa'an nan kuma damfin gyaran kafa a lokacin lokacin da raguwa ke farawa kuma kuna samun samfurori masu haɗari da arches, whorls, da kuma madaukai. Ayyukan rashin daidaituwa sun haifar da bambance-bambance masu mahimmanci a cikin magunguna akan kowane yatsa.
Abubuwan yatsun kafa suna kama da juna biyu, amma babu guda biyu. Yanzu zaka iya kuskuren kuskuren makirci a cikin wani littafi mai ban mamaki ko fim din da ke cewa ba haka ba.
> Source:
> Patwari P, Lee RT. Gudanar da Kayan Kayan Kayan Halitta. Tsarin bincike . 2008; 103 (3): 234-243. Doi: 10.1161 / circresaha.108.175331