Dabbobi daban-daban da nau'in jinsunan

Yawancin iyaye suna da masaniya da nau'i biyu na ma'aurata- fraternal ( dizygotic ) da kuma m ( monozygotic ). Baya ga waɗannan ƙididdigar, akwai wasu nau'i-nau'i da yawa masu ban sha'awa da ban sha'awa. Wadannan jinsin mabambanta da mabanbanta bazai iya fuskantar su ba.

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Jima'i masu haɗuwa

Ma'aurata da aka haɗu sune nau'o'in mahaukaci ne wanda ba su rabuwa da juna saboda rabon da ba a cika ba. Mutane za a haɗa su a wasu sassan jiki kuma zasu iya raba nama, gabobin, ko ƙwayoyin hannu.

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Twins da ke da bambanci: Matsala

Yawancin lokaci lokacin da aka hadu da kwai, ana katsewa mace da kuma watsar da kwayoyin halitta. Kadan, duk da haka, ana iya yada kwai a yayin da mace take da ciki. Wannan yana haifar da tagwaye waɗanda aka ɗauka a lokuta daban-daban, wanda aka sani da matsakaici .

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Twins Tare da Uba daban-daban: Superfecundation na sararin samaniya

Aboki na biyu (dizygotic) mabubbu ne sakamakon sakamakon hawan jini, da sakin ƙwai da yawa a cikin guda guda. Superfecundation ya bayyana halin da ake ciki inda qwai ya hadu da kwayar jini daga bambancin jima'i na jima'i.

A cikin yanayin da mace ta yi jima'i tare da abokan tarayya daban, ma'aurata suna da iyayensu daban-daban. Kalmar da aka dace don wannan ita ce farfadowa maras kyau .

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"Half mai mahimmanci" Twins: Maɗaukaki Jumma'a

Dumygotic (fraternal) twins sakamakon lokacin da qwai biyu aka hadu. Momozygotic (m) twins ya zo daga guda hadu hadu da kwai cewa splits. To, shin idan yasa ya kwanta sa'annan kowane rabi ya hadu da kwayar?

Wannan shine ka'idar da aka tsara game da jikin polar ko "ma'aurata" masu juna biyu, ma'aurata wadanda suke da yawa amma basu da kashi 100 na DNA. Kodayake yana da wata ka'ida mai mahimmanci, babu gwaji mai mahimmanci don tabbatar da jinginar mahaifa .

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Boy / Girl M (Monozygotic) Twins

Aboki na (monozygotic) ma'aurata ne ko yaushe jinsi ɗaya. Wannan shi ne saboda sun samo daga nau'in zygote wanda ya ƙunshi namiji (XY) ko mace (XX) jima'i chromosome.

Duk da haka, akwai wasu lokuta da aka ruwaito su na maye gurbin kwayoyin halitta a cikin jima'i namiji inda ɗayan biyu ya rasa haɗin Y da kuma tasowa a matsayin mace . Matin mata zai sami ciwo na Turner, wanda yake da rauni da kuma rashin ci gaba na cin ganyayyaki.

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Hotunan Hotuna Hotuna

Hotuna masu hoton hoto sune twins-mono-twigs wadanda suka samo daga kwai kwai. Lokacin da tsaga ya ɓullo da marigayi - fiye da mako guda bayan zane-zane - ma'aurata zasu iya ci gaba da fasalin fasali.

Wannan kalma ba ainihin nau'i ne ba, kawai hanya ce ta bayyana fasalin su. Alal misali, suna iya zama dama da hagu , suna da alamomi a wasu sassan jikin su, ko suna da suturar gashi wanda ya yi daidai da wasu hanyoyi. A ka'idar, idan ma'aurata suka fuskanci juna, zasu bayyana su zama ainihin tunani tsakanin juna. Kimanin kashi 25 cikin 100 na ma'aurata masu kama da juna sune jima-siffa.

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Twins

Jima'i na daidaituwa suna nufin wani nau'i na haɗuwar juna biyu waɗanda ke ci gaba da rashin daidaituwa, tare da ƙarami, ƙanƙantaccen maƙirami wanda aka dogara da karfi, babba babba. Wani misali mai kyau wanda aka kwatanta da shi shine Manar Maged wanda ya sami kwarewa bayan ya kasance a Oprah.

Bambanci na twinning parasitic shine "tayin a cikin taurari," inda yaduwar kwayoyin halittu ta kunshi nau'in kwayoyin halitta a cikin jiki na twin monozygotic. Yana da rai a lokacin haihuwa, har ma a wasu lokuta bayan haihuwar haihuwa, ta hanyar shiga cikin jigilar jini na mahaifa mai masauki. Za a iya gano ko da a girma.

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Semi-Twin-Twins

Ma'aurata masu juna biyu suna da nau'in jima'i da aka gano a cikin 'yan tagwaye masu shekaru uku a shekara ta 2007. An kwatanta su a matsayin mahaifiyar mahaifiyar amma suna raba rabin rabi na mahaifin su, yarinya da ba a taɓa gani ba lokacin da kwayoyi guda biyu suka hadu da kwai ɗaya, wanda ya raba. Ɗaya daga cikin ma'aurata shi ne mace mai suna hermaphrodite da aka tayar da shi a matsayin mace, tare da siffofin jinsin gwaji da na ovarian, yayin da ɗayan ya kasance namijin anatomically.

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Twins tare da Birthdays daban-daban

Bayani mafi mahimmanci ga ma'aurata tare da ranar haihuwar haihuwa shine aiki da bayarwa da za su fara kafin tsakar dare a wata rana kuma ƙare bayan da agogon ya canza zuwa rana mai zuwa. Idan wannan ranar ya faru a karshen watan, ko a kan Sabuwar Shekara / Day, yara biyu za su iya haifar da ranar haihuwa a wasu watanni har ma da shekaru daban-daban.

Har ila yau, wani lokacin ana ciki yana da tsawon lokaci don samar da kowane jariri tare da kyakkyawar damar rayuwa. Idan aikin aiki na farko ya haifar da aikawa da jaririn guda, likitoci zasu iya sarrafa aikin da jinkirta jinkiri don ba wa jaririn karin lokaci a cikin mahaifa. Twins da mafi girma da yawa sun haife kwanaki kuma har ma makonni baya.

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Twins na daban-daban races

Tsarin sararin samaniya yana iya bayyana lokuta na tagwaye (dizygotic) da bambancin launin fatar. A wani hali, bambancin ya faru ne saboda rikici a yayin da ake aiki a cikin vitro.

Duk da haka, a shekara ta 2005 a cikin Ƙasar Ingila, iyaye biyu masu launin fata suka ɗauki 'yan mata biyu (Frazy) da Kian da Remee Hodgson. An bayyana a matsayin "daya a cikin miliyoyin" abin da ya faru, masana sun bayyana cewa 'yan mata sun gaji dabi'un jinsi daban-daban daga iyayensu da suka haɗu. Ɗaya daga cikin gashin kansa ne da haske mai haske yayin da ɗayan yana da gashi, idanu, da fata.