Which of the Following Does Not Characterize Identical Twins in Mammals

question 50

Multiple Choice

Which of the following does not characterize identical twins in mammals?

• A) They are formed either during cleavage or in the early blastula stage.
• B) They are described as monozygotic.
• C) Blastomeres physically separate into two groups.
• D) They have a 50 percent chance of being the same sex.
• E) When separation of inner cell mass is incomplete, conjoined twins result.

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