Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Hanyar wucewa: Jinin maniyyi yana ba da abinci mai gina jiki da kuma kariya ga maniyyi yayin tafiyarsu ta hanyar hanyoyin haifuwa na mace. Yanayin al'ada na farji shine mai adawa (cf rikice-rikice na jima'i) ga ƙwayoyin maniyyi, saboda yana da matukar acidic (daga microflora na asali wanda ke samar da lactic acid), mai laushi, kuma ƙwayoyin rigakafi suna sintiri. Abubuwan da ke cikin plasma na maniyyi suna ƙoƙarin daidaita wannan yanayi mai haɗari. Amine na asali kamar putrescine, spermine, spermidine da cadaverine suna da alhakin kamshi da dandano na maniyyi. Wadannan alkaline bases counter and buffer da acidic yanayi na farji canal, da kuma kare DNA cikin maniyyi daga acidic denaturation.  Tambaya: Wace kwayar halittar kwayar halitta ce ake kiyayewa?
DNA