Címke: embriók

Petesejt nélkül hoztak létre embriókat

Először hoztak létre embriókat nem petesejtből brit, német és japán kutatók, felfedezésükkel egy 200 éves tétel kérdőjeleződik meg. Petesejtet megtermékenyítés nélkül fejlődésre lehet bírni, de az így létrejövő álembrió néhány nap múlva elhal, mivel életképtelen, nem indulnak el a kulcsfontosságú fejlődési folyamatok, amelyekhez az ivarsejt általi megte...

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