MCQOPTIONS
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| 1. |
In which order, three germ layers appear in the development |
| A. | Ectoderm-mesoderm-endoderm |
| B. | Ectoderm-endoderm-mesoderm |
| C. | Mesoderm-endoderm-ectoderm |
| D. | None of the above |
| Answer» C. Mesoderm-endoderm-ectoderm | |