Which one of the options correctly matches the human tissues/organs with their embryonic germ layers of origin?
| Tissues/organs | Embryonic germ layers | ||
| (P) | liver | (I) | ectoderm |
| (Q) | cerebellum | (II) | endoderm |
| (R) | femur | (III) | mesoderm |
1
P - II, Q - I, R - III
2
P - III, Q -I, R - II
3
P - I, Q - II, R - III
4
P - II, Q - III, R - I