Izinhlobo Ezihlukile Nezingavamile Zamawele

Abazali abaningi bajwayelene nezinhlobo ezimbili zamawele-ama- fraternal (i- dizygotic ) nokufana ( monozygotic ). Ngaphandle kwalezi zigaba eziyinhloko, kunezinye izinhlobo ezingavamile nezithakazelisayo zokwahlupha. Lezi zinhlobo ezingavamile nezingavamile zamawele kungenzeka ukuthi azihlangabezane nazo.

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Amawele Ahlangene

Amawele ahlangene angamaphilisi e-monozygotic angafani ngokugcwele komunye nomunye ngenxa yokuhlukaniswa okuphelele kwe-ovum ekhulelwe. Abantu bazoxhunyaniswa ngamaphuzu athile omzimba futhi bangabelana ngezicubu, izitho, noma izitho.

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Amawele Ahlanganisiwe Ngokwehlukana: Ukufiphala

Ngokuvamile uma iqanda likhulelwa, umjikelezo wesifazane uphazamiseka futhi ukuvuthwa kweqhwa kuyaphela. Ngokuvamile, amaqanda angakhululwa ngesikhathi owesifazane ekhulelwe kakade. Lokhu kubangelwa amawele awakhulelwe ngezikhathi ezihlukene, eyaziwa ngokuthi i- superfetation .

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Amawele Anamababa Ahlukene: I-Superfecundation yama-Heteropater

Amawele angokwenyama (ama-dizygotic) angumphumela wokukhukhumeza, ukukhululwa kwamaqanda amaningi emjikelezweni owodwa. Ukuqhathaniswa kwemvelo kuchaza isimo lapho amaqanda ahlwanyelwa khona ngesidalwa esivela emithini ehlukene yokulala ngokocansi.

Uma kwenzeka owesifazane ocansini nabalingani abahlukene, amawele angaba nobaba abahlukene. Isikhathi esifanele salokhu ukucaciswa kwama-heteropaternal .

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"Amaminithi amaHhafu" angama-"I-Polar Body Twins"

Amawele e-dizygotic (amazwe) angabangela uma amaqanda amabili ekhulelwa. Amawele e-Monozygotic (afanayo) aphuma eqanda elilodwa elikhulelwe elihlukaniswayo. Kodwa kuthiwani uma iqanda liqhekeka bese ingxenye ngayinye ihlangana nesidoda?

Leyo yindondo ehlongozwayo yomzimba we-polar noma amawele "ahambelana no-half", amawele afana kakhulu kodwa angewona umdlalo we-DNA wamaphesenti angu-100. Nakuba kubonakala kuyinkolelo ezwakalayo, ayikho ukuhlolwa okuqinisekisayo ukuqinisekisa ukuguqulwa komzimba we-polar .

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Umfana / Intombazane (i-Monozygotic) Amawele

Amawele afanayo (monozygotic) ahlale efana nobulili obufanayo. Lokhu kungenxa yokuthi bakha kusuka ku-zygote eyodwa equkethe i-chromosome yesilisa (XY) noma owesifazane (XX).

Kodwa-ke, kube khona amacala ambalwa abikwa ngokuguquka kwezakhi zofuzo emawele amawele lapho iwele elilodwa lilahlekelwa yi-Y chromosome futhi likhula njengesifazane . Iwele lezinsikazi liyoba ne-Turner's syndrome, elibhekene nesimo esifushane nokuntuleka kokuthuthukiswa kwama-ovarian.

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Ama-Mirror-Image Amawele

Amawele we-Mirror-image ama-monozygotic-amawele afomayo kusuka eqanda elilodwa elikhulelwe. Uma ukuhlukaniswa kwenzeka okwephuzile-ngaphezulu kweviki ngemuva kokukhulelwa-amawele angakha izici ezingezansi ezingezansi.

Leli gama alilona uhlobo lwamawele, nje indlela yokuchaza izici zabo zomzimba. Isibonelo, kungenzeka ukuthi zilungile futhi zisekhohlo , zinamabala wokubeletha ezinhlangothini eziphambene zomzimba wazo, noma zinezinwele ezithinta izinwele. Ngokwemfundiso, uma amawele ehlangene, angabonakala ebonakala ngokuqondile komunye nomunye. Amaphesenti angaba ngu-25 amawele afanayo ayingama-mirror-image.

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Amawele weParasitic

Amawele aphikisayo abheke uhlobo lwezinwele ezihlangene ezithuthuka ngendlela engavamile, enezinhlangothi ezincane, ezincane ezingaphansi kwamandla amabili, amawele amakhulu. Esinye isibonelo esivela kahle yiloManar Maged owazi ukuhlonipha ngemuva kokubonakala ku-Oprah.

Ukuhluka kwe-twinning ye-parasitic "i-fetus in fetu," lapho inqwaba yamangqamuzana angakhiwe ngaphakathi ngaphakathi emzimbeni wewele layo le-monozygotic. Iphila ngesikhathi sokukhulelwa, futhi ngisho nangemva kokuzalwa, ngokufaka ngokuqondile ukunikezwa kwegazi lamaphini amabili. Kungatholakala nakubantu abadala.

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Amawele amabili angama-60

Amawele angama-ajwayelekile awuhlobo lokwehlukanisa olukhonjiswe emabeleni amazintathu aneminyaka emithathu ngonyaka ka-2007. Njengoba kuchazwa njengobunye ohlangothini lomama kodwa wabelana ingxenye yesigamu sikayise, amawele angabonakali athuthukiswa lapho i-sperm amabili efaka iqanda elilodwa, okuyinto ehlukana. Elinye iwele likhuliswa njengelesifazane, nezobunjwa zombili zomzimba, kanti enye enye i-anatomically male.

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Amawele Aphethe Ukuzalwa Okuhlukile

Incazelo ejwayelekile kunazo zonke ngamawele anezinsuku ezahlukene zokuzalwa kuyisisebenzi kanye nokulethwa okuqala ngaphambi kwamabili phakathi nosuku olulodwa futhi luphela ngemuva kwewashi lizoshintsha ngosuku olulandelayo. Uma lolo suku lwenzeka ekupheleni kwenyanga, noma ngisho naku-Eva / Usuku Lomnyaka Omusha, lezi zingane zingakwazi ukuzalwa ngezinyanga ezahlukahlukene noma eminyakeni ehlukile.

Futhi, ngezinye izikhathi ukukhulelwa kuqhubeka isikhathi eside ukuhlinzeka ingane ngayinye ithuba elihle lokusinda. Uma izinsizakalo zomsebenzi zangaphambi kokubeletha komntwana oyedwa, odokotela bangakwazi ukulawula ngempumelelo umsebenzi nokubambezeleka kwezidingo ukunikeza enye ingane isikhathi esiningi esibelethweni. Amawele namaphesenti aphakeme azalwa ngezinsuku ngisho namasonto ahlukene.

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Amawele wezinhlanga ezahlukene

Ukuziqhenya kwama-heteropateral kungachaza amacala amawele angamazwe (ama-dizygotic) anezici ezihlukahlukene zohlanga. Ngesinye isikhathi, ukuhlukaniswa kwakungenxa yokuhlanganiswa kwelebhu ngenkathi inqubo ye-in vitro.

Kodwa-ke, ngonyaka ka-2005 e-United Kingdom, abazali ababili bezobuhlanga babulala amantombazane amabili, amaKhanani namaRemee Hodgson. Njengoba kuchazwa ngokuthi "okuyisigidi," ochwepheshe bachaza ukuthi amantombazane azuze izakhi zofuzo ezihlukahlukene ezivela kubazali bazo. Enye ingubo enobunono futhi igqoke isikhumba kanti omunye unamawele omnyama, amehlo nesikhumba.