Amawele angakwesokudla-aphethwe noma aphekwe ngesandla noma mhlawumbe owodwa
Ingabe amawele akho angakwesokunene noma angakwesokunxele? Noma mhlawumbe bangomunye wabo? Noma ngisho nokugxila? Amawele asebenze indima ebalulekile ekucwaningweni kwezesayensi mayelana nokunikezwa, nakuba ngezindlela eziningi badla imfihlakalo ngaphezu kokuyixazulula.
Amaqiniso Angasetshenziswa Ngokwezandla Namawele
- Abantu abangaphansi kwezingu-10% basala kwesokunxele.
- Kunabantu besilisa abanesandla esincane kunabesifazane.
- Amaphesenti angaba ngu-20 azo zonke izinhlangothi zombili ezifanayo afana newele elilodwa lokunene nelinye ihlangothi lesishiyagalombili.
Amasiko nezinkolelo eziyinqaba zihlobene nokushiya emasikweni emhlabeni jikelele nasemlandweni. Ngeshwa, ezimweni eziningi, ukushiya kwesokunxele kuhlobene nezici ezingenasici noma ezingathandeki. Isibonelo, i-legend ye-Iroquois yasendulo ichaza ukudalwa kwezwe ngamaqoqo amawele. Iwele lesokunene ladala amahlathi, izitshalo nezidalwa zemvelo. Iwele lesokunxele ladala izinyoka, ameva, neziphepho!
Yeka ukuthi Ukubamba Kwenzeka kanjani
Abantu abaningi bacabanga ukuthi ukukhetha ngesandla kuyisici sezakhi zofuzo. Nokho, lokho akunjalo ngokuphelele. Ukuhlola okusheshayo kwamawele afanayo anikezwe ngokuhlukile kuzoqinisekisa ukungafani. Abacwaningi baye bazama ukukhomba ukuxhumeka kofuzo. Ucwaningo olulodwa lwathola ukuthi ngisho nangabe bobabili abazali basala kwesokunxele, inzalo yabo ingase ibe yindlela efanele.
Kunemibono eminingi yokuthi kungani abantu babonisa okuthandayo ngesandla esisodwa phezu kwesinye. Kucatshangwa ukuthi kuhlanganiswa izici zezakhi zofuzo nezendalo. Iminye imiklamo yezinkolelo ezibeka esibelethweni inquma ukunikezelwa, okungaba nengqondo ngamabili amawele amabili angakwesokudla nangesobunxele ngoba kungenzeka ukuthi alalele ezikhombisweni eziphikisayo esibelethweni.
Enye imibono ibonisa ukuthi ukushiya kwesokunxele kubangelwa ukucindezeleka noma ukuhlukumezeka ngesikhathi sokukhulelwa noma ukuzalwa, akukho ukukhulelwa okubili okuhambisana nokucindezeleka ngenxa yamabele amaningi.
Ngokolunye uhlangothi
Nakuba zonke lezi zinkimbinkimbi ezithakazelisayo, akekho owanelisayo ngokugcwele, ngoba azibambeleli iqiniso kuzo zonke izinsana. Enye inkolelo iveza nokuthi ukukhulelwa kokubeletha kuyathonya, ukuchaza ukuthi ukunyuka kwamazinga e-testosterone esibelethweni kunciphisa ukuthuthukiswa kwendawo engakwesokunxele yobuchopho. Lokhu kungachaza izimo eziphakeme zokushiya kwesilisa kwesokunxele, kodwa futhi phakathi kweziphindaphindiwe kusukela amazinga e-hormone akhuphuka ngesikhathi sokukhulelwa nge-multiples.
Ekugcineni, isazi esisodwa sinikeza incazelo yokuhlukanisana phakathi kwamawele afanayo. Ngomagazini ka-July / Agasti 2003 we-Twins Magazine, uDkt. Geoffrey Machin uchaza isimo se- mirror image amawele , ngokuvamile avame ukubonisa okuthandayo. Uyichaza ngokubhekisela endleleni amawele e-monozygotic ahlukanisa ngayo emva kokukhulelwa.
"Kungenzeka ukuthi ukwehlukana ... kwenzeke ukuze amawele athole ohlangothini olulodwa. Lokhu kusho ukuthi amawele amabili ngakwesokudla kufanele asheshe futhi enze uhlangothi olusha lwesobunxele ngoba amawele amabili- i-on-the-left yithathile, kanti amanye amawele kufanele enze uhlangothi olusha lokunene. Lokhu cishe ukuthi kungani elinye iwele liphethe ubuchopho obukhulu kakhulu, kanti elinye linomqondo owedlule owedlule. "
Isebenza Ngami
Lokhu kubonakala sengathi kuchaza isimo samathanga ami. Omunye wamadodakazi ami amawele angashiywe, kanti omunye unesandla esifanele.
Imithombo:
Johnston, DW, et. al. "Ukuhlolwa Kwemvelo? Ukuphathwa Kwesandla Nokuthuthukiswa Kwabantwana Abancane. " Idemography, Meyi 2009. Pg. 281.
Ocklenburg, S., et al. "Isandla: Ukushintsha kwesimo se-neurogenetic." I- Neuroscience kanye nokubuyekezwa kwe-Biobehavioral, Disemba 2013. Pg. 2788.
UPowledge, uThabitha M. "Ukushiya ngakwesobunxele: I-Genetic kanye nendaba yengozi." Uhlelo lweGenestic Literacy, ngoDisemba 2014. https://www.geneticliteracyproject.org/2014/12/02/left-handedness-genes-and-a -ngaphakathi-ithuba /