Dolly the sheep, the first mammal cloned from a somatic (body) cell, came into the world innocent as a lamb. However, soon after the announcement of her birth in February 1997 (Wilmut et al., 1997) she caused panic and controversy. An important, and for many people troubling question arose: if the cloning of sheep is possible, will scientists soon start cloning humans as well; and if they did, would this be wrong or unwise? For most people, Dolly was really a wolf in sheepâs clothing.
According to the University of Vermont Extension, the reasons plants have different colors is because of pigments within the plant. A variety of pigments are held within different plants, other factors regarding plant color include the amount of sugar and light a plant receives.
The red, blue or yellow all these colors in flowers are due to presence of anthocyanins, which are special pigment in flowers. Due to various reactions the color of these pigments changes. Chlorophyll is a chemical which provide the green color in leaves and other green parts. It is mainly responsible for providing the green color. The main purpose of the color is attracting the insects, so that the process of pollination can occur. The process of pollination is responsible for reproduction in plants.