Mukusangana namapatya, zygosity ndiyo pfungwa inokosha kunzwisisa. Kunyange vabereki vemapatya nemapatya ivo pachavo vanowanzovhiringidzika nezvezygosity, uye kuti rinoshandiswa sei kuisa mapatya. Verenga pamusoro kuti uwane tsanangudzo ye zygosity.
Tsanangudzo yeZygosity
Idzidziso dze zygote (kero yakagadzirwa nehurumende yemagetes maviri). Zygosity inoshandiswa kuratidza hukama hwemagetsi pakati pevana vekuzvarwa kumwe chete, iyo mapatya kana kuwanda.
Chaizvoizvo, zygosity inotsanangura twintype inobva pakatanga.
Zygosity of Multiples
Zygosity inyaya inokosha yekukurukura munharaunda yevazhinji. Kuenzanisa kwetintype kunowirirana uye kwakabatana , iyo inowanzoshandiswa kurondedzera mapatya anobva pakuonekwa. Zvisinei, zygosity ndiyo inonyanya kukosha yesayenzi yekutsanangura mapatya maererano nemaitiro avakaumba.
Monozygotic twins kana kuwanda kunoumba apo imwe yega inobereka (zygote) inoparadzanisa, zvichiita kuti kuve kwemaviri maviri kana akawanda embryo. Nemhaka yokuti inobva kune imwechete yemasero, vanhu ava vane DNA yakafanana uye kazhinji vane maitiro akafanana zvakafanana.
Dizygotic - kana kuti multizygotic - kuwanda kune zvakasiyana-siyana zvakasikwa zvinoitika apo mazai akawanda anogadzirwa uye achikura. Mazita avo emadzinza akafanana nevana vemunin'ina, pamwe ne50% yeDNA yavo yakafanana. Vanogona kutarisa zvakafanana nenzira iyo hama dzinoshamwaridzana.
Kana kuti, vanogona kutarisa zvakasiyana zvachose. Zvinowanzozivikanwa sehama dzakaberekwa kana dzakawanda. Izwi rokuti trizygotic rinogonawo kushandiswa kurondedzera katatu.
Zygosity inogona kunge inobatanidzwa mumaviri kana maviri ekuzvitakura, somuenzaniso, mune zviitiko zvehutano hwakadai seTwin-to-Twin Transfusion Syndrome (TTTS).
Kana kuti, kusimbisa zygosity kunogona kujekesa zvimwe zvekurapa kwezvipembenene, zvakadai sechiitiko chechigunwe kana chekuisa. Zvisinei, haigoni kugara yakagadziriswa kusimbiswa pasina DNA kuongorora. Vabereki vakawanda vanongororwa zvisina kufanira pamusoro pezvinyorwa zvezvizhinji zvavo, zvichida nekuti havana kunzwisisa mutemo kana nokuti muchengeti wezvokurapa akaita sarudzo isina kururama. Vabereki vangave vachida kuziva kuti zygosity yavo yakawanda sei kugutsa chido kana kuti kuva nemhinduro yakagadzikana kumibvunzo inowanzoitika pamusoro pe twintype. Kunyange zvazvo zygosity dzimwe nguva dzingaonekwa zvichienderana nemamiriro ezvinhu, kazhinji kuongororwa kweDNA ndiyo nzira chete yekuziva nechokwadi kana mapatya ari monozygotic kana dizygotic.