Marka laga hadlayo noocyada mataanaha, laba nooc ayaa si weyn loo aqoonsan yahay. Foomka (ama ciriiriga ) mataanaha ah ee laga helo ukun bacrin ah oo kala qaybsan; foomka mataanaha (ama midka kale) laba mataano / ukun kala duwan. Hase yeeshee, naqshadaynta jirka ee kutlada waa erey loo isticmaalo qeexida nuuca saddexaad ee isku xigxiga kaasoo dhacaya marka qoyaan aan ciriiri ahayn ay u kala baxaan qaybo aan cidhiidhi ahayn, kadibna qayb kasta waxaa la isku mariyaa labo shahwo oo kala duwan.
Sidee mataanka jidhka dabaysha
Geedka, unugyada haweenka galmada ah, ayaa la maraa habka qaybta lagu magacaabo meiosis si ay u dhalato. Nidaamku wuxuu soo saaraa afar unug oo gabar ah oo hambloid ah, mid kasta oo kala badh ka mid ah koromosoomyada. Mid ka mid ah afarta mid ayaa ah unugyada ukunta (oocyte) halka saddexda kale ee loo yaqaan 'body polar'. Caadi ahaan, kaliya oocyte ayaa diyaar u ah bacriminta, halka jidhka dabeecadda ka baxo. Laakiin marka la eego aragtida isudhinimada jirka ee jirka, labada oocyaha iyo jidhkarka dabiiciga ah waxay bartilmaameedkooda noqdaan kuwo bacrimiya oo horumariya, taasoo dhalinaysa mataano.
Miyaa My Twins Meydadka Body Twins?
Kombuyuutarka nadaamka dhaadheer waa fikir ama aragti. Ma jiraan xaalado kormeer ah oo ah matoor matoor ah oo aan dhicin oo aan lahayn qaab lagu aqoonsado ama loo xaqiijiyo ama dharbaaxa jirka ee isku dhejinta. In kastoo laga yaabo inay xiiso u yeelato in la ogaado in mataanahaagu isku mid yihiin, laakiin aan isku mid ahayn, ma jirto si loo ogaado haddii ay yihiin mataano mataano ah. Halka imtixaanka tijaabada ah uu xaqiijin karo in labka dhadhan ay yihiin ciriiri ama miyir beelid, shirkadaha sameeya tijaabooyinka tijaabinta si ay u go'aamiyaan nooca twin ma bixiyaan tijaabo loogu talagalay mataanka jidhka.
Miyuu matahay Body Twins?
Halka mataanaha isku midka ah ay ka soo jeedaan isla jigatada isla markaana aad u jilicsan yihiin, mataano mataano ah ayaa leh qiyaas ahaan kala badh gen oo ay wadaagaan, sida walaalaha walaalaha ah. Sidaa daraadeed waxa ay soo socotaa in mataano mataanka ah ay yeelan karaan jilib isku mid ah oo ka yimaada hooyadooda, hase yeeshee isbeddel badan oo ku yimaada hidaha aabahood.
Marka la eego, matalada jidhka ee kutlada ah waxay wadaagaan 75% oo ka mid ah calaamadaha hiddo-wadaha, oo aan ka yarayn labadii dhedig ee laakiin waxay ka badan yihiin mataano mataano ah. Waxaa laga yaabaa inay u muuqdaan kuwo isku mid ah, laakiin ma ahan kuwo isku mid ah.
Nidaamka dhoobada ee polar ayaa mararka qaarkood lagu qeexaa mid isku mid ah oo isku mid ah. Waxaa la kala soocay iskudhaf yar oo isku dhafan, oo laba shimbir oo bacrimiya mid ukumo ah sababtoo ah ukuntu waxay u kala baxdaa ka hor inta aan la labiinin. Inkasta oo ay jirto xaalad ah mid isku mid ah oo isku dhafan oo isku mid ah ayaa la xaqiijiyay, iskudhafka jirka ee kutlada ayaa ah mid aad u cakiran.
> Ilo:
Diiwaanka Australia ee Twin. "Waa maxay Noocyada Iskuulka?" Loogu talagalay Febraayo 12, 2016. http://www.twins.org.au/twins-and-twin-families/twin-resources/faq#twinning
Moskwinski, R., Ed. Mataanaha si loo yareeyo: Buug-gacmeed dhamaystiran oo loogu talagalay Waalidiinta Carruurta Dhalmada badan. Qoraalka Harpeth House: 2002. Daabac.
> Jeermisyo Proactive ah. "Maxay yihiin Body Twin Polins?" Waa la soo bandhigay Febraayo 12, 2016. http://www.proactivegenetics.com/faq-twins-genetics.html#56.
Wells, D. iyo Hillier, SG "Maydkeena dabiiciga ah: qarsoodigooda bayoolajiga iyo macnaha bukaanka." Dhaqan-abuurka Macaamilka. Volume 17, Issue 5, May 2011.