| 2nd branchial arch |
 |
not detected |
| | Hybridization is absent from the first 2 branchial arches and confined to the third branchial arch and posterior (Fig 4c). |
| rhombomere 05 |
 |
detected |
| | The cutoff of expression is shown in the neural tube at the r4/r5 boundary (Fig 4a). |
| 3rd branchial arch |
 |
detected |
| | Hybridization is absent from the first 2 branchial arches and confined to the third branchial arch and posterior (Fig4c). |
| neural tube |
 |
detected |
| | The cutoff of expression is shown in the neural tube at the r4/r5 boundary (Fig 4a). |
| 1st branchial arch |
 |
not detected |
| | Hybridization is absent from the first 2 branchial arches and confined to the third branchial arch and posterior (Fig 4c). |
| rhombomere 07 |
 |
detected |
| | The cutoff of expression is shown in the neural tube at the r4/r5 boundary (Fig 4a). |
| rhombomere 08 |
 |
detected |
| | The cutoff of expression is shown in the neural tube at the r4/r5 boundary (Fig 4a). |
| rhombomere 06 |
 |
detected |
| | The cutoff of expression is shown in the neural tube at the r4/r5 boundary (Fig 4a). |