#Question id: 23378
#General Aptitude
#Question id: 5004
#Unit 11. Evolution and Behavior
Pax-6 usually causes the production of a type of light-receptor pigments. In vertebrate eyes, though, a different gene (the rh gene family) is responsible for the light-receptor pigments of the retina. The rh gene, like Pax-6, is ancient. In the marine ragworm, for example, the rh gene causes production of c-opsin, which helps regulate the wormʹs biological clock. Which of these most likely accounts for vertebrate vision?
#Question id: 12651
#Unit 6. System Physiology – Plant
#Question id: 10332
#Unit 9. Diversity of Life Forms
The four-chambered hearts of birds and the four-chambered hearts of mammals evolved independently of each other. If one were unaware of this independence, then one might logically conclude that
#Question id: 4676
#Unit 3. Fundamental Processes
λ-repressor activatory region present is in the