Anatomy In embryonic period, all the following are true EXCEPT A formation of blastocyst by 8 days B formation of ectoderm and endoderm by 2 weeks C formation of mesoderm by 6 weeks D formation of human like embryo by 4 weeks 💡 Explanation In embryonic period, all the following are true EXCEPT ✓ Correct Answer: C. formation of mesoderm by 6 weeks