Early-embryonic culture and manipulation could affect genomic imprinting.
Feil
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D000818:Animals; D002417:Cattle; D002455:Cell Division; D002478:Cells, Cultured; D019175:DNA Methylation; D004622:Embryo, Mammalian / Q000166:cytology* / Q000378:metabolism*; D005260:Female; D018392:Genomic Imprinting; D006801:Humans; D008297:Male; D051379:Mice; D008957:Models, Genetic; D012756:Sheep; D013234:Stem Cells / Q000378:metabolism