asked 333 views
5 votes
About four or five days after fertilization, a group of cells forms a ball-like structure. What is the name of this structure? A. Heart B. Placenta C. Blastocyst D. Stem Cell

asked
User Rubotero
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8.1k points

2 Answers

3 votes
I believe the answer is C.
answered
User Falko
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8.1k points
4 votes
Your answer would be Blastocyst. 
answered
User Bushmaster
by
8.3k points
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