The process of natural selection conserves the alleles of high fitness and those individuals are more likely to survive and reproduce. These alleles express the phenotypic characteristics that increase the chances of the organism’s survival in the environment.

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Chapter 21, Problem 5TYK

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The process of natural selection conserves the alleles of high fitness and those individuals are more likely to survive and reproduce. These alleles express the phenotypic characteristics that increase the chances of the organism’s survival in the environment.

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Which of the following is false? a. The color of a fruit fly's eyes is a trait. b. The instructions for producing a trait are found in a gene that controls the physical expression of that trait. c. A gene can have different alleles that can specify different traits, such as red or brown eye color. d. The trait is influenced by the gene, independent of the environment. e. By studying the patterns of traits over generations of an organism, the genetic composition of an organism can be deduced.

Which of the following statements about dominant traits is correct? a. The dominant trait is the one that is expressed. b. They are observed three-fourths as frequently as heterozygous traits. c. They are observed less frequently than recessive traits. d. They increase in frequency over evolutionary time. e. The dominant trait is typically masked by the recessive trait.

Stabilizing selection on a trait tends toa. make the trait more extreme.b. reduce variability in the trait.c. decrease the frequency of alleles associated with the trait.d. result in elaborate male ornaments.

Answer 2

Question

Chapter 21, Problem 5TYK

Summary Introduction

Introduction:

The process of natural selection conserves the alleles of high fitness and those individuals are more likely to survive and reproduce. These alleles express the phenotypic characteristics that increase the chances of the organism’s survival in the environment.

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Answer 3

Question

Chapter 21, Problem 5TYK

Summary Introduction

Introduction:

The process of natural selection conserves the alleles of high fitness and those individuals are more likely to survive and reproduce. These alleles express the phenotypic characteristics that increase the chances of the organism’s survival in the environment.

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Answer 4

Question

Chapter 21, Problem 5TYK

Summary Introduction

Introduction:

The process of natural selection conserves the alleles of high fitness and those individuals are more likely to survive and reproduce. These alleles express the phenotypic characteristics that increase the chances of the organism’s survival in the environment.

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Answer 5

Chapter 21, Problem 5TYK

Summary Introduction

Introduction:

The process of natural selection conserves the alleles of high fitness and those individuals are more likely to survive and reproduce. These alleles express the phenotypic characteristics that increase the chances of the organism’s survival in the environment.

Answer 6

Chapter 21, Problem 5TYK

Summary Introduction

Introduction:

The process of natural selection conserves the alleles of high fitness and those individuals are more likely to survive and reproduce. These alleles express the phenotypic characteristics that increase the chances of the organism’s survival in the environment.

Answer 7

Chapter 21, Problem 5TYK

Summary Introduction

Introduction:

The process of natural selection conserves the alleles of high fitness and those individuals are more likely to survive and reproduce. These alleles express the phenotypic characteristics that increase the chances of the organism’s survival in the environment.

Answer 8

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Answer 11

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The process of natural selection conserves the alleles of high fitness and those individuals are more likely to survive and reproduce. These alleles express the phenotypic characteristics that increase the chances of the organism’s survival in the environment.

Solution Summary: The author concludes that adaptive traits are the phenotypic characteristics in an individual that increase their fitness in the environment.

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Introduction:

The process of natural selection conserves the alleles of high fitness and those individuals are more likely to survive and reproduce. These alleles express the phenotypic characteristics that increase the chances of the organism’s survival in the environment.

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Chapter 21 Solutions

The process of natural selection conserves the alleles of high fitness and those individuals are more likely to survive and reproduce. These alleles express the phenotypic characteristics that increase the chances of the organism’s survival in the environment.

Solution Summary: The author concludes that adaptive traits are the phenotypic characteristics in an individual that increase their fitness in the environment.

Concept explainers

Videos

Introduction: The process of natural selection conserves the alleles of high fitness and those individuals are more likely to survive and reproduce. These alleles express the phenotypic characteristics that increase the chances of the organism’s survival in the environment.

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Chapter 21 Solutions

Introduction:

The process of natural selection conserves the alleles of high fitness and those individuals are more likely to survive and reproduce. These alleles express the phenotypic characteristics that increase the chances of the organism’s survival in the environment.