"This is a very clear example of how the [Dkk4] gene can affect the number and the size of spots on the animal," Barsh said. Although mutations in Taqpep and Dkk4 can modify spots and stripes, these ...
The patterns stay the same all through the giraffe's life. They're like giant spots. What other animals have spots? Leopards. Leopards never change their spots. Like the giraffes, leopards are ...
After a few more years, mottled spots begin appearing ... where tour companies lead dolphin-spotting cruises. The animals have been studied extensively since 1985 by the Wild Dolphin Project ...