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TAVAMON

TAVAMON (arabi     — jami tavam — hamzod), dugonik, ekiza ki du yo yanchand bachae, ki az yak modar dar yak haml zoida shudaavd. Tavamon du navi—yaktukhma va gunoguntukhma meshavad. Tavamoni yaktukhma az yak tukhmi bordorshuda — zigota ba vujud meoyad, ki onro tavamoni monozigoti niz monomand.

dugonik

Dar Tavamonhoi yaktukhma hamrohak umumi va genotap yakkhela ast; onho odatan yakjilsa, guruhi khunashon yakkhela va zohiran ba hamdigar monandand. Tavamonhoi gunoguntukhma dar tukhmhoi gunogun inkishof yofta, yakjinsa yo gunogunjinsa, ba ham monand va yo baraks shuda metavonand. Tavamonhoi gunoguntukhma az yakbora pukhta rasidani du va yo yakchand tukhm ba vujud meoyand. Miqdori hujayratukhmhoi dar yak vaqt pukhtarasandaro gormonho tanzim mekunand. Az odam tavallud shudand. Tavamon hodisan mamul ast. Masalan ba har 80—85 tavallud yak dugonik va ba har 6—8 hazor yak segonik rost meoyad; chorganiku panjgonikho khele kam zoida meshavand. Tavamon dar mamlakatkhoi iqlimashon mutadil nisbat ba mamlakathoi iqlimashon garm beshtar tavallud meshavad.

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SAFORAT

SAFORAT, namoyandagi, koru amali safir, ki az tarafi davlate ba poytakhti davlati digar meravad. Nigared, …