Ukuzalwa yintombi izilwanyana kunye nabantu

Ngomumo akhulelwe, okanye parthenogenesis yinto loyamano ukuzala apho gamete nemazi uqala ukuba libe umntu omtsha ngaphandle inxaxheba gamete eyindoda ukuchumisa. ukuzala Parthenogenetic kwakundixhalabisa izilwanyana, izityalo, kwaye ngokuqhelekileyo oku kwandisa izinga yokuzala.

Parthenogenesis kwizilwanyana nezityalo

Nasono Kwakhe Ekukhawulweni ke iintlobo ezimbini - parthenogenesis haploid kwaye diploid, kuxhomekeka kwinani zofuzo kwi gamete ababhinqileyo. izinambuzane ezininzi, ezifana iimbovane, oonomeva kunye neenyosi, ngenxa ngowokuqala basasaze iintlobo kukho uluntu ezahlukeneyo eziphilayo. Xa kwenzeka parthenogenesis haploid kunye meiosis zizinto gametes haploid. Amaqanda ayaqhama bakwazi ukuphuhlisa iimazi diploid kunye iqanda haploid unfertilized liphuhlisa eyindoda echumayo. Xa inyosi, umzekelo, ukumkanikazi kubeka amaqanda aqhamileyo, ezikunika ababhinqileyo (ngabantu abasebenza, isibeleko), kunye namaqanda unfertilized, leyo ukunika amadoda (drones). Loo indlela nokuzala izinambuzane adlala indima olwenziwayo, kuba uyakwazi ukunyenyisa imbonakalo abantwana, ngokuxhomekeke kuhlobo gametes.

parthenogenesis Diploid livela iintwala. Kulo mzekelo, i oocytes nemazi badibana uhlobo oluthile meiosis - ezi zofuzo musa nizahlule, ndingene iqanda, imizimba polar kuhlala zofuzo. Development of emaqandeni emzimbeni kamama, iimazi kuzalwa abunjwe ngokupheleleyo kwaye ukuba aqandusele evela amaqanda. Le nkqubo iyaqhubeka ukuzalwa ubomi izizukulwana eziliqela, de avele de iseli leyo iqulathe enye X-chromosome kunye autosomes bonke. Ukusuka Kwathi eyindoda parthenogenetic. Owona inzuzo ye iintwala partogeneneza - ukwanda kokuziswa abantu ngenxa yokuba amalungu ayo aqolileyo unako ukubeka amaqanda.

"I Nasono Kwakhe Ekukhawulweni" ngeendlela ezahlukeneyo isagquba izityalo. Omnye wabo kuthiwa apomixis na parthenogenesis, simulating ukuzala ngokwesondo. Olu hlobo kwesisu lwenzeka kwizityalo ezithile eneentyatyambo, ukuba abe neselula diploid ikhula ibe umbungu epheleleyo ngaphandle inxaxheba gametes eyindoda. Kwezinye iimeko, kufuneka kubekho ukhozo umungu, a parthenogenesis oluvuselela; pollen ingqolowa ivelisa iihomoni eziyimfuneko ukuze imbonakalo umbungu, kunye iimeko ezinjalo phantse yinto enzima ukuzala ngokwesini.

abantu Parthenogenesis

Iingcali Forensic bayazi kakuhle ukuba amaqondo obushushu aphezulu, uxinezeleko kunye neemeko ezinzima abafazi iqanda ungaqala inkqubo ngokucandeka, kwanokuba oko akukho ivundiswe. Kukholelwa ukuba umfazi ukuba ukulungele kumitha, yena bunokuzifudumeza nje okwethutyana sokuhlambela, kwaye iqanda luvuliwe ziinkqubo Ukuguqulwa emzimbeni, kodwa mhlawumbi, akunakwenzeka kwaye kufa kungekudala.

I ukulungele-to aqhamileyo iqanda 23 zofuzo ezibonakalisa isini.

"I Nasono Kwakhe Ekukhawulweni" yenzeka xa zofuzo abaqolileyo nemazi zahlulwe iziqingatha ezibini, akha iqanda 46 zofuzo ayimfuneko ukuvela ubomi obutsha. Emva koko ungaqala inkqubo kukwahlukana kunye nophuhliso umbungu, kodwa nabasetyhini kuphela.

Ngokutsho oogqirha, a parthenogenesis yabantu lwenzeka phambi kokuba iintsholongwane abahlala izinambuzane, kodwa Ungasa emzimbeni womntu ezibangelwa kukwahlukana iqanda kunye umbungu Ukwakheka. Igciwane lutshabalalisa intsholongwane oyindoda okanye silutshintshe zibe abafazi.

abhalwe kakade Kwiimeko ezininzi apho umgangatho umbungu iye yatshintsha phantsi kwempembelelo iimeko kakhulu okanye kwimozulu ashushu, isoloko itshintsha ukuba ababhinqileyo, ngamanye amazwi oko akwenzeki kuzo umbungu eyindoda.

Ngaphambili, le meko lingavakali kwaphela. Kuyo nayiphi na imeko, igama elithi "parthenogenesis" wabonakala kutshanje. "Nasono akhulelwe" ye Virgin ngamaKristu uMariya waqonda njenge ummangaliso. Yaye isibakala sokuba isenokuba ukukhulelwa eziqhelekileyo, akukho mntu khona.