Ukuphendula Imibuzo Ngamawele Amantombazane Nezingane Zakho
Wonke umzali wamawele ubhekene nombuzo othi "Ingabe amawele akho afana noma ahlobene?" Lapho amawele akho engumfana nentombazana embili, impendulo ilula, kodwa abantu abayiboni ngaso sonke isikhathi. Abaningi bacabanga ukuthi amawele afanayo afanekisela ukuthi amawele abukeka kanjani nokuthi awenzi kanjani. Hlola i-biology ekhomba ukuhlanganiswa kobulili okungenzeka kunamawele afanayo nalabo abathandekayo.
Ingabe Amakhanda Amantombazane / Amantombazane Angaba Khona?
Impendulo emfushane ayikho. Ziso sonke isihlobo.
Amagama afana nalabo abathandanayo angachazi ukuthi amawele abukeka kanjani, kodwa empeleni abumba kanjani. Amawele amancane (i- monozygotic ) ahlale efana nobulili obufanayo ngoba ayakha kusuka ku-zygote eyodwa (i-egg fertilizer) equkethe ama-chromosomes wesilisa (XY) noma wesifazane (XX). Ngakho-ke, amantombazane / amawele amantombazane ahlale ehlangane noma ( adizygotic ); zikwazi ukwakha kuphela amaqanda amabili ahlukene ahlonywa yizimboni ezimbili ezihlukene. Amawele omndeni angaba amantombazane amabili, abafana ababili, noma omunye wabo ngamunye.
Lezi yizinhlanganisela ezenzekayo zobulili:
- Amantombazane amabili amawele angaba afanayo noma ahlobene (i-monozygotic noma i-dizygotic).
- Amawele amabili womfana angaba afanayo noma abafowabo (i-monozygotic noma i-dizygotic).
- Iqoqo lomfana / intombazane amawele angaba yintandokazi kuphela (i-dizygotic). Amantombazane amantombazane / amantombazane awakwazi ukufana (monozygotic).
Amawele ajwayelekile
Amawele angamazwi avela eqanda elilodwa elikhulelwe elihlukaniswa kabili.
Ngaphambi kokuba ihlukaniswe, kungaba owesilisa noma owesifazane. Ngemuva kokuqhekeka, kukhona abesilisa ababili noma abesifazane ababili. Zombili izingxenye zeqanda elikhuliswe embelethweni futhi ngalinye likhiqiza elinye lamawele.
Amawele angamazwi anemvelaphi efanayo yofuzo. Ayikho imbangela eqondile yokweqa i-monozygotic kuye kwaqunywa; akuyona eyifa.
Amawele ama-monozygotic amelela ingxenye eyodwa kwezintathu zamawele. Bangase babheke ngendlela ephawulekayo, futhi kungase kube nzima ukubalula .
Amathanga amahle
Amawele womzimba kukhona abantu ababili abahlukile ngokwezakhi zofuzo njengoba bevela emaqanda amabili ahlukene ahlwanyelwa umuthi ohlukile. Inhlanganisela yeqanda / insimu yenkomo ingaba yindoda noma yowesifazane. Umphumela uba amawele amabili wesilisa, amawele amabili amabhinqa, noma owesilisa oyedwa nowesifazane oyedwa.
Ukufana kwezakhi zofuzo phakathi kwamawele womzalwane kufana nanoma yiziphi izihlobo ezimbili (cishe amaphesenti angu-50 uma unomama nobaba ofanayo). Bangase babheke ngokufanayo, noma cha, njengabanye odade nabafowabo. Amawele womzimba yiyona ifomu elivame kakhulu lamawele, elimelela cishe izingxenye ezimbili kwezintathu zamawele.
I-twinning ye-Dizygotic ingaba yifa futhi igijime emindenini . Futhi, amawele amaningi nokuphindaphindiwe okubangelwa ukwelashwa kwe-fertility, okufana nezidakamizwa noma izinqubo ezinjenge-in vitro fertilization, ziyi-dizygotic kunokuba i-monozygotic.
Ngaphandle kwe-Twin Sex Rule
Yonke imithetho inehlukile, yebo. Kulesi simo, kukhona okungafani kakhulu okungajwayelekile, futhi akunakwenzeka ukuthi umuntu ovamile uyoke ahlangane namawele kuleso simo. Qaphela ukuthi kube khona amacala ambalwa abikiwe okuguquguquka kwezakhi zofuzo emawele amawele omama we-monozygotic.
Ngesizathu esithile, ngemuva kokuba i-zygote ihlukaniswe, iwele elilodwa lilahlekelwa yi-Y chromosome bese likhula njengesifazane. Iwele lezinsikazi liyoba ne-Turner syndrome, elibhekene nesimo esifushane nokuntuleka kokuthuthukiswa kwama-ovari. Kuyinto engavamile kakhulu; Amacala angaphansi kuka-10 aqinisekisiwe. Njengoba kunikezwe izinkinga, kuphephile ukucabanga ukuthi amaphesenti angu-99,9 azo zonke amawele amantombazane / amantombazane angama-fraternal.
Amawele Ahlukumezayo
Ngesikhathi amawele afanayo evela eqenjini elilodwa elikhulelwe futhi abelana nge-DNA efanayo inhlanganisela, kunezindlela ezingaphezulu zamawele ezihlobo. Ngaphandle kokuba yinzalo yezimboni ezimbili kanye neqanda inhlanganisela, zingase zibe nama-genetic ahlukene.
Nansi inhlanganisela ehlukene:
- Amawele angamazwe angakhiwa uma amaqanda owesifazane oyedwa ehlwanyelwa isilisa esivela kumadoda amabili ahlukene. Lokhu kungenzeka ngokukhulelwa okungaqinisekisiwe futhi ngokufaka umanyolo nge-vitro. Kulesi simo, amawele angaba izingane ezinhlanu.
- Owesifazane angase athathe amawele akhulelwe nge-vitro ngamaqanda abanikazi, okungabakhona besifazane ababili abahlukene. Uma zihlwanyelwa umuthi ovela kumuntu ofanayo, amawele ayengaba izingane ezinhlanu.
- Amaqanda abanikazi abavela kwabesifazane ababili abahlukene angahlonywa yi-sperm evela kumadoda amabili ahlukene. Kulesi simo, amawele angenayo i-DNA eyabelwe ngaphandle uma i-sperm ne-egg donors ehlobene. Bayafana nabafowabo abathandekayo.
Izwi elivela ku-Verywell
Kungenzeka ukuthi uphendule imibuzo efanayo ngamawele akho ngokuphindaphindiwe. Njengoba uhlomile ngamaphuzu ambalwa ngamawele, uzokwazi ukuwagcoba nokuwuthwala noma ukukhanyisa ulwazi oluphathelene ne-biology yamawele.
> Imithombo:
> I-Turner Syndrome. I-Mayo Clinic. http://www.mayoclinic.org/diseases-conditions/turner-syndrome/basics/definition/CON-20032572.
> Amawele, ama-triplets, namanye ama-Multiple. Ihhovisi leMpilo Yabesifazane, uMnyango WezeMpilo waseMelika kanye Nezinsizakalo Zabantu. https://www.womenshealth.gov/pregnancy/youre-pregnant-now-what/twins-triplets-and-other-multiples.