title: Forum: how does a zygote become an embryo?
authors.forename: L J
authors.initials: LJ
authors.lastname: DeFelice
mesh_terms: D000818:Animals; D047108:Embryonic Development; D005314:Embryonic and Fetal Development; D005260:Female; D008297:Male; D015053:Zygote / Q000502:physiology*