In the third thoracic segment of the fly, the Hox gene Ubx represses wing-specific genes to specify haltere development. In a loss-of-function mutation of Ubx, the third thoracic fragment will grow wings instead of halteres. The second thoracic fragment normally grows wings. If you ectopically expressed Ubx in the second thoracic fragment, you would expect that:

In 1992, hurricane andrew left a wake of destruction through florida. one victim of the storm was a reptile-breeding facility. over 900 burmese pythons were set free, and today thousands of pythons live in florida. these pythons are an invasive species, or a harmful species not native to the region. 1. what impacts do you think the burmese pythons might have on local ecosystems

During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird