The benefit of conducting research on evolution in a population of short-lived organisms such as fruit flies. Introduction: Evolution is a process that occurs over many generations.

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Answer 1

Question

Chapter 10, Problem 1SA

Summary Introduction

To review:

The benefit of conducting research on evolution in a population of short-lived organisms such as fruit flies.

Introduction:

Evolution is a process that occurs over many generations.

Expert Solution & Answer

Explanation of Solution

Many generations have to go through selection (natural selection or artificial selection by scientists) for evolution to occur. If a particular trait gives an organism an advantage in survival, it will become common in the population. Organisms with a short lifespan are preferred for the study of evolution because such organisms reach maturity soon. Therefore, many generations of organisms can be included in the experiment. On the contrary, if an organism with a long lifespan were to be chosen for study, it would take years to perform the experiment.

Conclusion

As seen in the starvation experiment, the study of organisms with a short lifespan allows the researcher to include many generations in the experiment.

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Question #3: In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming there was just one gene conferring gametophytic obligate apomixis, and that the two parents are inbreds, what would be the consequences of such a cross if: a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the parental cross. b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the…

Question #5: Assume that two genes are identified that confer gametophytic facultative apomixis in soybean. The genes show independent assortment. Recessive alleles at both loci are required for the facultative apomixis. Facultative apomixis is triggered when the temperature at pollination is above 20 degrees C. At temperatures below 20 degrees C, all reproduction is sexual, independent of genotype. A facultative apomict male, capable of producing viable pollen, was crossed with a sexually reproducing female. Assuming the parents are completely inbred, what are the predicted phenotypic ratios (apomict: non-apomict) for the F1, F2, and DH (F1-derived) generations at each of the following temperatures*: a) 15°C? b) 25°C? *for full credit, show crosses and genotypes where appropriate. Remember to position the female first (left side) in the cross. Type your answer here:

Answer 2

Question

Chapter 10, Problem 1SA

Summary Introduction

To review:

The benefit of conducting research on evolution in a population of short-lived organisms such as fruit flies.

Introduction:

Evolution is a process that occurs over many generations.

Expert Solution & Answer

Explanation of Solution

Many generations have to go through selection (natural selection or artificial selection by scientists) for evolution to occur. If a particular trait gives an organism an advantage in survival, it will become common in the population. Organisms with a short lifespan are preferred for the study of evolution because such organisms reach maturity soon. Therefore, many generations of organisms can be included in the experiment. On the contrary, if an organism with a long lifespan were to be chosen for study, it would take years to perform the experiment.

Conclusion

As seen in the starvation experiment, the study of organisms with a short lifespan allows the researcher to include many generations in the experiment.

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Answer 3

Question

Chapter 10, Problem 1SA

Summary Introduction

To review:

The benefit of conducting research on evolution in a population of short-lived organisms such as fruit flies.

Introduction:

Evolution is a process that occurs over many generations.

Expert Solution & Answer

Explanation of Solution

Many generations have to go through selection (natural selection or artificial selection by scientists) for evolution to occur. If a particular trait gives an organism an advantage in survival, it will become common in the population. Organisms with a short lifespan are preferred for the study of evolution because such organisms reach maturity soon. Therefore, many generations of organisms can be included in the experiment. On the contrary, if an organism with a long lifespan were to be chosen for study, it would take years to perform the experiment.

Conclusion

As seen in the starvation experiment, the study of organisms with a short lifespan allows the researcher to include many generations in the experiment.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 10, Problem 1SA

Summary Introduction

To review:

The benefit of conducting research on evolution in a population of short-lived organisms such as fruit flies.

Introduction:

Evolution is a process that occurs over many generations.

Expert Solution & Answer

Explanation of Solution

Many generations have to go through selection (natural selection or artificial selection by scientists) for evolution to occur. If a particular trait gives an organism an advantage in survival, it will become common in the population. Organisms with a short lifespan are preferred for the study of evolution because such organisms reach maturity soon. Therefore, many generations of organisms can be included in the experiment. On the contrary, if an organism with a long lifespan were to be chosen for study, it would take years to perform the experiment.

Conclusion

As seen in the starvation experiment, the study of organisms with a short lifespan allows the researcher to include many generations in the experiment.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 10, Problem 1SA

Summary Introduction

To review:

The benefit of conducting research on evolution in a population of short-lived organisms such as fruit flies.

Introduction:

Evolution is a process that occurs over many generations.

Expert Solution & Answer

Explanation of Solution

Many generations have to go through selection (natural selection or artificial selection by scientists) for evolution to occur. If a particular trait gives an organism an advantage in survival, it will become common in the population. Organisms with a short lifespan are preferred for the study of evolution because such organisms reach maturity soon. Therefore, many generations of organisms can be included in the experiment. On the contrary, if an organism with a long lifespan were to be chosen for study, it would take years to perform the experiment.

Conclusion

As seen in the starvation experiment, the study of organisms with a short lifespan allows the researcher to include many generations in the experiment.

Answer 6

Chapter 10, Problem 1SA

Summary Introduction

To review:

The benefit of conducting research on evolution in a population of short-lived organisms such as fruit flies.

Introduction:

Evolution is a process that occurs over many generations.

Expert Solution & Answer

Explanation of Solution

Many generations have to go through selection (natural selection or artificial selection by scientists) for evolution to occur. If a particular trait gives an organism an advantage in survival, it will become common in the population. Organisms with a short lifespan are preferred for the study of evolution because such organisms reach maturity soon. Therefore, many generations of organisms can be included in the experiment. On the contrary, if an organism with a long lifespan were to be chosen for study, it would take years to perform the experiment.

Conclusion

As seen in the starvation experiment, the study of organisms with a short lifespan allows the researcher to include many generations in the experiment.

Answer 7

Chapter 10, Problem 1SA

Summary Introduction

To review:

The benefit of conducting research on evolution in a population of short-lived organisms such as fruit flies.

Introduction:

Evolution is a process that occurs over many generations.

Answer 8

Expert Solution & Answer

Explanation of Solution

Many generations have to go through selection (natural selection or artificial selection by scientists) for evolution to occur. If a particular trait gives an organism an advantage in survival, it will become common in the population. Organisms with a short lifespan are preferred for the study of evolution because such organisms reach maturity soon. Therefore, many generations of organisms can be included in the experiment. On the contrary, if an organism with a long lifespan were to be chosen for study, it would take years to perform the experiment.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Conclusion

As seen in the starvation experiment, the study of organisms with a short lifespan allows the researcher to include many generations in the experiment.

Answer 12

Ch. 10 - Prob. 1SA Ch. 10 - Prob. 2SA Ch. 10 - Prob. 3SA Ch. 10 - Prob. 4SA Ch. 10 - Prob. 5SA Ch. 10 - Prob. 6SA Ch. 10 - Prob. 7SA Ch. 10 - Prob. 8SA Ch. 10 - Prob. 9SA Ch. 10 - Prob. 10SA

The benefit of conducting research on evolution in a population of short-lived organisms such as fruit flies. Introduction: Evolution is a process that occurs over many generations.

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To review:

The benefit of conducting research on evolution in a population of short-lived organisms such as fruit flies.

Introduction:

Evolution is a process that occurs over many generations.

Explanation of Solution

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Chapter 10 Solutions

The benefit of conducting research on evolution in a population of short-lived organisms such as fruit flies. Introduction: Evolution is a process that occurs over many generations.

Concept explainers

Videos

To review: The benefit of conducting research on evolution in a population of short-lived organisms such as fruit flies. Introduction: Evolution is a process that occurs over many generations.

Explanation of Solution

Want to see more full solutions like this?

Chapter 10 Solutions

To review:

The benefit of conducting research on evolution in a population of short-lived organisms such as fruit flies.

Introduction:

Evolution is a process that occurs over many generations.