Sei pamuviri anotora nzvimbo: zvishoma mapatya, mikana bumbiro uye kushaya mbereko

Pane runako rinokosha pamuviri. Chipikirwa upenyu hutsva mumuviri mumwe mukadzi rakatarisa chaizvo upenyu-Richisimbisa. Complex pezvakaitwa vari panguva mumatanho ose "inonakidza ezvinhu." Chaiwo zuva pamuviri yakatarwa hazvibviri nguva dzose. Chiremba anonyora mu magwaro zuva rokupedzisira kumwedzi sezvo wokutanga mavambo pamuviri. Kunyange chokwadi upenyu hunotanga mavhiki anenge maviri gare gare pamutemo akanyorwa papepa izwi. vanamba sei?

The gadziriro danho

Zvose kunotanga ovulation. Pamwedzi ovary Arikugadzirira kusunungura munhu "musarudzo" shoma, asi kazhinji mashizha tiri zai rimwe chete, dzimwe nguva vaviri. Kana iwe uchava zvinopfuura chimwe, uye vose vari nourume, zvichava kuberekwa pamapatya akasiyana. Vari, chaizvoizvo, mapatya havasi zvachose. Uye sokunge vachava savana maviri vabereki chete.

vana 16 panguva?

Sei kuzvarwa kwemapatya vechokwadi? Kufanana chimwe, asi vamwe chikonzero pane imwe Danho nhamba tuvana pamwe chete magene remitemo. Tichingotarisa, munhu angava vakawanda 16 panguva mapatya, sapanguva padariro 16 blastomeres, sero rimwe anogona kukonzera yose muviri. Asi kuwanda mapatya nezvirwere kazhinji kuitika nokuda kushaya mbereko, nokuti pamuviri hwevanhu vana vanopfuura vaviri panguva imwe chete hakusi chakaipa.

siyana nezvimwe zviitiko

Panzira, kusiyana nezvinodavirwa nevakawanda, mukomana nemusikana haangavi mapatya chokwadi, nokuti varume nevakadzi zvakasiyana kuvabereki yakatarwa, kutaridza mapatya. The chete Kunze ndiko hunonzi zvinogoneka: maviri mwana vakomana majini, asi mumwe wavo Natal kukura chakakanganisika, uye vanasikana akaumba pasi hakurevi kusangana chipo. Izvi "vasikana" vari muchero.

Access akaramba

vanamba sei? Pashure nokusunungurwa OVA ari fallopian chubhu, unogona kusangana dzakamirira dzisingaoneki. Asi kazhinji mamiriyoni avo. Haasi mumwe munhu anogona isa fotereza iri keji. Masayendisiti akawana kuti zai rimwe ane zvimwe "kuwana bumbiro", iro kunooneka pacharo ari makemikari nemamiriro puroteni panguva chokunze mucheto. Kana urume "akarurama" bumbiro iri hamvuropu, iyo muchangosangana anogona kutora nzvimbo. Pashure kupinda ngakuite masero kupinda zai anova vakaneta uye isina zvimwe "musarudzo".

mhosva nemakemikari omuviri

Vakadzi Sero iri saka akaronga kuti asati pakusangana hazvisi wakakwana - chirongwa meiosis inoguma chete pashure kubata pamwe urume. Kana musangano pamwe akakodzera "shamwari" hariwanikwi, zai raparadzwa, hormone chinzvimbo kuchinja - uye kuenda kumwedzi kunotanga. Kuziva kuti pamuviri anotora nzvimbo, zvinobatsira kutsanangura imwe kushaya mbereko kuti vakaroorana umo vadyidzani akafanana vaviri vari vatano. Muzviitiko zvakadaro, murume nomukadzi hahuenderani panguva nokukanganisika chechetere. Kana ivo kusika mhuri nevamwe vadiwa, ipapo vana vanogona zvakachengeteka kuzvarwa vaviri.

Mukuita yokunambwa pane zvakawanda wezvakavanzika. Hatizivi zvose mitemo zviri kuitika. Asi chinhu chimwe rakajeka - vanoda zvakawanda zveBhaibheri chokubereka. Ipapo uchakwanisa kubatsira vakaroorana kutambura kushaya mbereko.