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rusak2 [61]
2 years ago
4

The hollow collection of undifferentiated cells that occurs after fertilization and initial mitosis is called a A. morula. B. bl

astocyst. C. fetus. D. placenta.
Biology
2 answers:
kari74 [83]2 years ago
7 0

Answer: The hollow collection of undifferentiated cells that occurs after fertilization and initial mitosis is called a blastocyst.

svetlana [45]2 years ago
3 0

Answer: blastocyst

Explanation:

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