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OpenStudy (anonymous):
Which is the definition of an embryo? A. Prenatal stage of a human up to 8 weeks of development after fertilization. B. Prenatal stage of a human beyond 8 weeks of development after fertilization. C. Prenatal stage of a human up to 9 months of development after fertilization.
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OpenStudy (frostbite):
Not totaly sure but I remember it to be an embryo from fertilization and the following 8 weeks. So A.
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