Which of the Following BEST Distinguishes Between Zygotes and Embryos

question 79

Multiple Choice

Which of the following BEST distinguishes between zygotes and embryos?

• A) Zygotes are fertilized eggs within the oviduct;embryos are fertilized eggs in the uterus.
• B) Fertilized eggs are called zygotes until they implant in the uterine lining and embryos after that.
• C) Fertilized eggs are zygotes until they begin to divide,at which time they are called embryos.
• D) Zygotes are eggs that haven't been fertilized;embryos are fertilized eggs.
• E) Embryos are eggs fertilized in the oviducts;zygotes are eggs fertilized in the uterus.

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Definitions:

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