Biology 12

Chapter 10 Introducing Evolution • MHR 361 COMMUNICATING 23.Red Island and Blue Island are hypothetical islands 500 km off the c ...

CHAPTER 11 Reflecting Questions Mechanisms of Evolution 362 Each fall, swarms of monarch butterflies leave southern Canada and b ...

363 Chapter Contents 11.1 Population Genetics 364 11.2 The Hardy-Weinberg Principle 371 Investigation 11-A: Population Genetics ...

11.1 Population Genetics 364 MHR • Unit 4 Evolution Evolution can be divided into macro-evolution and micro-evolution. Macro-evo ...

Chapter 11 Mechanisms of Evolution • MHR 365 thus slowly leading to change in a population (this may even lead to new species ov ...

366 MHR • Unit 4 Evolution two alleles at a locus are identical (for example, IAIAor ii), the individual is called homozygousfor ...

Chapter 11 Mechanisms of Evolution • MHR 367 Figure 11.4The result of a cross of two pea plants is shown in this Punnett square. ...

368 MHR • Unit 4 Evolution the genetic similarity of the smaller summer groupings creates diversity among local populations. All ...

Chapter 11 Mechanisms of Evolution • MHR 369 Population geneticists study the frequencies of alleles and genotypes in population ...

370 MHR • Unit 4 Evolution SECTION REVIEW Distinguish between macro-evolution and micro-evolution. Give an example of each. Exp ...

Chapter 11 Mechanisms of Evolution • MHR 371 11.2 The Hardy-Weinberg Principle For a population to undergo change there must be ...

foreign DNA (gene for insulin) recombined plasmid recombinant DNA reproduction cloned cells with recombinant DNA cleavage sites ...

Chapter 11 Mechanisms of Evolution • MHR 373 No mutations — Alleles must not mutate. In other words, allele choices in the gene ...

SKILL FOCUS Predicting Performing and recording Communicating results Investigation 11•A 374 MHR • Unit 4 Evolution Pre-lab Ques ...

Chapter 11 Mechanisms of Evolution • MHR 375 6.What does the answer to question 5 imply about the need for an appropriate sample ...

376 MHR • Unit 4 Evolution For your Unit Project on Searching for a Common Ancestor, consider how new techniques in DNA analysis ...

Chapter 11 Mechanisms of Evolution • MHR 377 11.3 Mechanisms for Genetic Variation Even though rattlesnakes (such as the one in ...

378 MHR • Unit 4 Evolution Mutations Mutations may provide new alleles in a population and, as a result, may provide the variati ...

THINKING LAB An Evolving Disease: Tuberculosis Background Tuberculosis is an infectious lung disease caused by the bacterium Myc ...

380 MHR • Unit 4 Evolution Figure 11.11The frequency of alleles changes in this population over three generations because of gen ...