Bio 102 Quiz #8 Review
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| 🇬🇧 | 🇬🇧 |
| When cells differentiate, they ____ | Express a specific subset of genes |
| A mutation in the Hoxc8 gene in the ancestor of modern snakes caused its descendants to have ___ | No forelimbs or necks |
| The anterior-posterior orientation of Drosophila embryos is initially controlled by ____. | Maternal effect genes |
| Molecular techniques have revealed that ____ caused the loss of forelimbs in snakes. | Changes in the spatial pattern of Hoxc8 gene expression |
| Hox genes, one class of ____ genes, contain a conserved ____ region to which transcription factors containing a corresponding ____ bind. | Homeobox; homeobox; homeodomain |