Rarraba kwayar halitta

Wadatacce

• Bayani

Bayani

Awanni 12 na farko bayan daukar ciki, kwan da ya hadu ya zama kwaya daya. Bayan awa 30 ko makamancin haka, ya rabu daga sel daya zuwa biyu. Bayan wasu awowi 15, kwayayen biyu sun kasu sun zama hudu. Kuma a karshen kwanaki 3, kwayar halittar kwai ya zama tsari irin na Berry wanda ya kunshi sel 16. Wannan tsari ana kiransa morula, wanda shine Latin don mulberry.

A kwana 8 ko 9 na farko bayan samun ciki, kwayoyin da zasu zama amfrayo daga karshe zasu ci gaba da rarrabawa. A lokaci guda kuma, karamin ginin mai kama da gashi a cikin bututun fallopian, wanda ake kira cilia, ana daukar shi a hankali wanda suka shirya kansu, wanda ake kira blastocyst.

Blastocystyst, koda yake girman girman fil ne, a zahiri ya ƙunshi ɗaruruwan ƙwayoyin halitta. Yayin muhimmin tsari na dasawa, blastocyst dole ne ya haɗa kansa da rufin mahaifa ko ciki ba zai rayu ba.

Idan muka yi duba sosai kan mahaifar, za ka ga cewa blastocyst a zahiri yana binne kansa a cikin rufin mahaifa, inda zai iya samun abinci daga jinin mahaifiya.

• Ciki