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42% D Sun 2:15 PM student a E Safari File Edit View History Bookmarks Window Help blackboard odu.edu Ch 13 Q 201420 SPRING BIOL292 28190 Take Test: Ch 13 Quiz 201420 SPRING BIOL292 28190 DOCX DOMINION KRYSTLE LEWIS Compe Ver VERSITY Analysis My Professional Learning Content Coupoton Student Re Resouroes Help kboard & Courses a of th Question Completion Status Screen Shot 15-0...5.09 PM QUESTION 17 0.11364 points Saved If a gene is affected by many regulatory enhancers, what would be an important evolutionary implication? O The enhancers can increase morphological variation and hence the amount of variation that natural selection has to act on. A single gene can have numerous regulatory enhancers associated with it, but these regulators can produce only small variations in gene expression. There is no current experimental data that would indicate evolution in the regulatory enhancers. The primary control point at which gene expression is regulated is initiation of translation, so transcription enhancers do not play a significant role DOCX chology e Review QUESTION 18 0.11364 points Save Answe In some species of fruit flies, males have black spots on the edge of their wings, which they use for visual displays during courtship dances with females, while in other species, these spots are completely absent. A gene called "yellow" plays a role in the development of these visual features in all of the species. The key to the differences in the amount and spatial distribution of the yellow protein is due to? Different gene sequences are recognized as the yellow gene in the different fruit fly species. Screen Shot 5-0...5.28 PM the effects of regulatory enhancers on the yellow gene The fact that in fruit fly species without spots there is a regulatory enhancer that causes the yellow gene to express the yellow protein at high levels all over the wing. all of the above Screen Shot 15-0...5.34 PM QUESTION 19 0.11364 points Save Answe Douc langurs are primates that have a diet of leaves instead of insects and fruit. In order to digest such food, these langurs use

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