Ukukhulula ngaphezu kweyayi enye ngenyanga kuyona yonyango
Abantu banomdla kakhulu malunga nosapho okanye uxhumano lwezofuzo ukufana namawele njengamawele ayingqungquthela.
Ukuba uyakrokrela isiqhagamshelo somfuzo, ulungele ngokukhawuleza, kodwa unxibelelwano luyinkimbinkimbi. Kwelinye, iigulo zingadlala indima kwithuba lakho lokuba namawele omzimba (okubizwa ngokuba ngamawele e-dizygotic) kodwa awanamawele afanayo (amawele e-monozygotic). Okwesibini, kubalulekile ukuqonda ukuba kunokukho nezinye izinto ngaphandle kwamagciwane ezandisa ithuba lomfazi lokuba namawele.
Ngaba kukho "i-Twin Gene"?
Ngokutsho kophando lwezofuzo, ithuba lokuba namawele omzimba lingamaxesha angaphezu kwamaxesha amabini abafazi abanomama okanye udade abanamawele omzalwana. Eli thuba linyuka libangelwa ngumzimba okhuthaza ukukhutshwa komzimba-ngamanye amaxesha kuthiwa "i-gini yefa."
Ukuqhaqhaqhaqhayisa ukutyalela ukukhupha iiqanda ezingaphezu kweyodwa ngexesha le-ovulation, okwandisa amathuba okukhulelwa amawele angama-dizygotic (okanye ama-fraternal). Ngoko, kwiintsapho apho abafazi banomdla wokuba nokuxhatshazwa komzimba, i-genetics ingachaza ngokukhawuleza ukunyuka kwamawele omzimba .
Nangona kunjalo, kuba besetyhini kuphela, ukuxhamla kusebenza kuphela kwinqanaba lomama kwintsapho. Nangona abantu bekwazi ukuthwala i-gene kunye nokuyidlulisela kwiintombi zabo, imbali yentsapho yamawele ayenzi ukuba baphinde babe namawele. Kodwa, ukuba ubawo uwela "kwijengeshibili" kwintombi yakhe, ngoko unokuba nethuba eliphezulu kunezinto eziqhelekileyo zokuba namawele omzalwana.
Ngaba Amabhinqa Aphelisa Isizukulwana?
Ukuba uyihlo wayengamawele kodwa awunjalo, ngaba unako ukufumana amawele? Kuyinto engafanelekanga ukuba amawele athambela isizukulwana kwiintsapho. Akukho bukho ubungqina, ngaphandle kweemeko, loo mawele ayenzeka ukuba ayenze zonke izizukulwana. Nangona kunjalo, ukuba ucinga ngempembelelo yokuxhatshazwa kwemvelo, le pateni inokuvela kwiintsapho kuxhomekeke ekubeni ngaba abantwana babo babengamadodana okanye iintombi.
- Isizukulwana 1: Ugogo
Utatomkhulu unesifo somhlaza. Yena kunye noTatomkhulu banamafana amamawele, uRob noBob. - Isizukulwana 2: Rob & Bob
Nangona oonyana baka-Grandma bephethe i-gene ye-hyperovulation, abavumi. Abayi kuba namawele (ngaphandle kweminye imiba). Nangona kunjalo, ngamnye unentombi. - Isizukulwana 3: Molly & Polly
U-Molly noPolly, abazala, bazuza i-gene ye-hyperovulation kwiihlo. Ngamanye amaqela aphethe amawele.
Uyabona indlela lo mzekelo okwenza ukuba kubonakale ukuba amawele athambela isizukulwana kwiintsapho. Umzekelo wathonyelwa ukuba ifa le-hyperovulation gene liyindoda okanye ibhinqa.
Ingaba kukho ikhonkco phakathi kwamawele aqhelekileyo kunye nee-genetics?
Nangona iingcamango kunye nophando zizininzi, akukho nxu lumano olukhoyo phakathi kwe-genetics kunye ne-monozygotic (efana) nokuwahluza. Iingcali zenzululwazi azange zichaze isizathu esicacileyo sokuba i-monozygotic twinning, eyenzekayo xa iqanda elitsalisiweyo lihlukana kwaye likhula libe ngama-embryos (okanye ngaphezulu).
Ngeli xesha, i-twinning ye-monozygotic ibonakala iyinto ehleliweyo, ngoko ke bonke abazali banethuba elilinganayo lokukhulelwa amawele afanayo.
Ukuba Ndiba neentombi Kwintsapho Yam, Ngaba Ngaba Ndiza Kuba namawele?
Akukho ndlela yokuchaza ngokucacileyo ukuba ngubani na oza kuba namawele.
Oko kuthethwa, xa ubala amanani akho, qwalasela oku:
Luhlobo luni lwamamawele eentsapho? Khumbula, amawele angama-monozygotic (afanayo) awasebenziki kwiintsapho-ayingxaki. Awukwazi ukuba ngaba oogogo bakho bafana kunye okanye akunjalo kwaye kaninzi akukho ndlela yokukwazi ngokuqinisekileyo ngaphandle kokuhlolwa kwe-DNA. Oko kuthethiwa, amawele abelana ngokufanayo ngokusemgangathweni asemandleni afanelekileyo afane nawo. Kwakhona, khumbula ukuba inkwenkwe / intombazana zihlala zihlala zinyanya (i-dizygotic).
Ngaba amawele abe ngumphumo wokuncedisa ukuvelisa? Kwiminyaka eyi-10 edlulileyo, inani elikhulu labazalwa ngokuphindaphindiweyo kunye neeninzi kubangelwa ukunyanga kwezityalo ezibandakanya iziyobisi zokuzala kunye ne-vitro fertilization.
Ngokomzekelo, izidakamizwa zokuzala iComidid zinokukhuthaza ukukhutshwa kwamaqanda angaphezu kweyodwa ngexesha le-ovulation. Oku kungakhokelela kumawele omzalwana xa amaqanda amabini ehlonywa.
Ubani uhlangothi lwayo lwentsapho luneamawele? Ukuba amawele abekho kwicala lomyeni / umlingani wakho, akuyi kuba nomthelela kumathuba akho okuba namawele . Khumbula, i-gene ye-hyperovulation yiyona nto inomama. Ukuba unyoko (okanye ugogo wakho okanye unina) wayenayo okanye wayenamawele omzalwana, unokufumana i-gene. Kodwa imbali yentsapho yendoda yakho ayikuthinteli nakubantwana bakho, ngaphandle kwexesha elizayo ukuba unokuba namawele abazukileyo-ukuba unayo intombi ezuza i-gene hyperovulation.
Igama elivela kwi-Verywell
Khumbula, imbali yentsapho yamawele yinto enye yezinto ezininzi ezichaphazela ukuzalwa okubanzi . Ubudala bomama, ubuhlanga, isisindo, ukutya, kunye nembali yokuzala yonke inxaxheba ekubandakeni i-twinning kwaye ingaba nefuthe elinamandla kunembali yentsapho.
> Imithombo:
> I-American College ye-Obstetrics kunye neGynecologists. (Julayi 2015). Imibuzo Ebuzwa Ngokuphindaphindiweyo: Ukukhulelwa Kwamaninzi.
> I-Intanethi ye-Intanethi ye-Intanethi kuMntu (OMIM): I-Catalog ye-Intanethi ye-Human Genetic Disorders. (NgoJuni 2016).