Biology Now, 2e

186 ■ CHAPTER 10 How Genes Work GENETICS disorder—grown in the company’s carrot cells. “This approval demonstrates a proof of co ...

Tobacco’s New Leaf ■ 187 REVIEWING THE SC IENCE ● (^) Most genes contain instructions for building proteins. Gene expression is ...

188 ■ CHAPTER 10 How Genes Work (^10) Which amino acid sequence will be generated during translation from the following small mR ...

Tobacco’s New Leaf ■ 189 States carries a recessive mutation that codes for a defective glucosylceramidase enzyme. And about one ...

Whale Hunting Fossil hunters discover Moby Dick’s earliest ancestor—a furry, four-legged land lover. ◆ (^) Define evolution and ...

191 EVOLUTION 11 CHAPTER EVIDENCE FOR EVOLUTION ...

192 ■ CHAPTER 11 Evidence for Evolution EVOLUTION F ossils break all the time. This time, the 50-million-year-old ear bone of a ...

Whale Hunting ■ 193 group of organisms over generations. Whales, for example, evolved from four-legged land-living animals into ...

194 ■ CHAPTER 11 Evidence for Evolution EVOLUTION become more common in successive generations because they have produced more o ...

Whale Hunting ■ 195 Six lines of evidence provide compelling support for biological evolution: Direct observation of evolution ...

196 ■ CHAPTER 11 Evidence for Evolution EVOLUTION which a fossil is found indicates its order in the fossil record. The ages of ...

Figure 11.6 Skeletons and body sizes of modern whales and fossil ancestors These reconstructed skeletons from modern whales (top ...

198 ■ CHAPTER 11 Evidence for Evolution EVOLUTION tipped with hooves, lived close to and had an affinity for the water. The firs ...

Whale Hunting ■ 199 improved function in a competitive environ- ment. By being able to easily wade and dive in water, Indohyus h ...

200 ■ CHAPTER 11 Evidence for Evolution EVOLUTION behaviorally mimic the plants they live on—an adaptation that helps them avoid ...

Whale Hunting ■ 201 (Figure 11.11). For example, whales are so differ- ent from humans that it can be difficult to iden- tify si ...

202 ■ CHAPTER 11 Evidence for Evolution EVOLUTION with chickens, for whom the DNA sequence of the same gene is only 72 percent i ...

Whale Hunting ■ 203 all of the other landmasses of Earth had drifted together to form one giant continent called Pangaea. About ...

204 ■ CHAPTER 11 Evidence for Evolution EVOLUTION We can use knowledge of evolution and continental drift to make predictions ab ...

Whale Hunting ■ 205 hind limbs. “We know, from fossil evidence, that early whales lose their hind limbs,” says Thewis- sen. So h ...