PATHOLOGY

Detailed explanation-1: -Benefits of genetic engineering: Improves crop yields or crop quality, which is important in developing countries. This may help reduce hunger around the world. Introduce herbicide resistance, which results in less herbicides being used, as weeds are quickly and selectively killed.

Detailed explanation-2: -Less use of pesticides. Increased supply of food with reduced cost and longer shelf life. Faster growing plants and animals. Food with more desirable traits, such as potatoes that produce less of a cancer-causing substance when fried.

Detailed explanation-3: -Modern genetic engineering is more precise than selective breeding in the sense that biologists can modify just a single gene. Also, genetic engineering can introduce a gene between two distantly-related species, such as inserting a bacterial gene into a plant (figure 14.3. c).

Detailed explanation-4: -What do we call that change. A scientist cloned a goat. Which of these is a true statement about the cloned goat? It has genes that are identical to the original goat.