The term systematics stands for the study of biological diversity based on evolutionary relationships. By studying systematics, biologists gain information about the evolutionary history of an organism and about the relationship between ancestors and their descendants. The main goal of systematics is to create a phylogenetic tree that describes an organism’s phylogeny. Phylogeny describes the relationships of an organism, such as from which organisms it is thought to have evolved, to which species it is most closely related, etc. by allowing for a direct connection with systematics.

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Answer 1

Question

Chapter 21, Problem 1TY

Summary Introduction

Introduction:

The term systematics stands for the study of biological diversity based on evolutionary relationships.

By studying systematics, biologists gain information about the evolutionary history of an organism and about the relationship between ancestors and their descendants.

The main goal of systematics is to create a phylogenetic tree that describes an organism’s phylogeny. Phylogeny describes the relationships of an organism, such as from which organisms it is thought to have evolved, to which species it is most closely related, etc. by allowing for a direct connection with systematics.

Expert Solution & Answer

Answer to Problem 1TY

The correct answer is option (c) Systematics

Explanation of Solution

Explanation/justification for the correct answer:

Option (c) Systematics. The term systematics stands for the study of biological diversity based on evolutionary relationships. This study helps to place organisms into taxonomic groups. By studying systematics, biologists gain information about the evolutionary history of an organism & about the relationship between ancestors and their descendants. So the correct answer is option (c).

Explanation for incorrect answer:

Option (a) Paleontology. This has no connection with the definition given in question since paleontology is the branch of science which concern on the fossil animals and plants.

Option (b) Evolution. The evolution of a species occurs through a million of years. Evolution occurs via the inheritance of advantageous traits. As a result of this inheritance, a difference in the traits in different generations of a single species can be observed. But this not the explanation for systematics. So option (b) should be removed.

Option (d) Natural selection. Natural selection describes how heritable traits help organisms to survive and reproduce. This is a possible explanation for evolution. But this term didn’t describe the study of biological diversity based on evolutionary relationships. Therefore the option (d) should be removed.

Option (e) both a & b.This option states that the option (a) & (b) are correct. But according to the above explanation, these options are incorrect. Therefore, option (e) should also be rejected.

Conclusion

Systematics is the study of biological diversity based on evolutionary relationships. Therefore, answer is option (c).

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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 21, Problem 1TY

Summary Introduction

Introduction:

The term systematics stands for the study of biological diversity based on evolutionary relationships.

By studying systematics, biologists gain information about the evolutionary history of an organism and about the relationship between ancestors and their descendants.

The main goal of systematics is to create a phylogenetic tree that describes an organism’s phylogeny. Phylogeny describes the relationships of an organism, such as from which organisms it is thought to have evolved, to which species it is most closely related, etc. by allowing for a direct connection with systematics.

Expert Solution & Answer

Answer to Problem 1TY

The correct answer is option (c) Systematics

Explanation of Solution

Explanation/justification for the correct answer:

Option (c) Systematics. The term systematics stands for the study of biological diversity based on evolutionary relationships. This study helps to place organisms into taxonomic groups. By studying systematics, biologists gain information about the evolutionary history of an organism & about the relationship between ancestors and their descendants. So the correct answer is option (c).

Explanation for incorrect answer:

Option (a) Paleontology. This has no connection with the definition given in question since paleontology is the branch of science which concern on the fossil animals and plants.

Option (b) Evolution. The evolution of a species occurs through a million of years. Evolution occurs via the inheritance of advantageous traits. As a result of this inheritance, a difference in the traits in different generations of a single species can be observed. But this not the explanation for systematics. So option (b) should be removed.

Option (d) Natural selection. Natural selection describes how heritable traits help organisms to survive and reproduce. This is a possible explanation for evolution. But this term didn’t describe the study of biological diversity based on evolutionary relationships. Therefore the option (d) should be removed.

Option (e) both a & b.This option states that the option (a) & (b) are correct. But according to the above explanation, these options are incorrect. Therefore, option (e) should also be rejected.

Conclusion

Systematics is the study of biological diversity based on evolutionary relationships. Therefore, answer is option (c).

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Answer 3

Question

Chapter 21, Problem 1TY

Summary Introduction

Introduction:

The term systematics stands for the study of biological diversity based on evolutionary relationships.

By studying systematics, biologists gain information about the evolutionary history of an organism and about the relationship between ancestors and their descendants.

The main goal of systematics is to create a phylogenetic tree that describes an organism’s phylogeny. Phylogeny describes the relationships of an organism, such as from which organisms it is thought to have evolved, to which species it is most closely related, etc. by allowing for a direct connection with systematics.

Expert Solution & Answer

Answer to Problem 1TY

The correct answer is option (c) Systematics

Explanation of Solution

Explanation/justification for the correct answer:

Option (c) Systematics. The term systematics stands for the study of biological diversity based on evolutionary relationships. This study helps to place organisms into taxonomic groups. By studying systematics, biologists gain information about the evolutionary history of an organism & about the relationship between ancestors and their descendants. So the correct answer is option (c).

Explanation for incorrect answer:

Option (a) Paleontology. This has no connection with the definition given in question since paleontology is the branch of science which concern on the fossil animals and plants.

Option (b) Evolution. The evolution of a species occurs through a million of years. Evolution occurs via the inheritance of advantageous traits. As a result of this inheritance, a difference in the traits in different generations of a single species can be observed. But this not the explanation for systematics. So option (b) should be removed.

Option (d) Natural selection. Natural selection describes how heritable traits help organisms to survive and reproduce. This is a possible explanation for evolution. But this term didn’t describe the study of biological diversity based on evolutionary relationships. Therefore the option (d) should be removed.

Option (e) both a & b.This option states that the option (a) & (b) are correct. But according to the above explanation, these options are incorrect. Therefore, option (e) should also be rejected.

Conclusion

Systematics is the study of biological diversity based on evolutionary relationships. Therefore, answer is option (c).

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Answer 4

Question

Chapter 21, Problem 1TY

Summary Introduction

Introduction:

The term systematics stands for the study of biological diversity based on evolutionary relationships.

By studying systematics, biologists gain information about the evolutionary history of an organism and about the relationship between ancestors and their descendants.

The main goal of systematics is to create a phylogenetic tree that describes an organism’s phylogeny. Phylogeny describes the relationships of an organism, such as from which organisms it is thought to have evolved, to which species it is most closely related, etc. by allowing for a direct connection with systematics.

Expert Solution & Answer

Answer to Problem 1TY

The correct answer is option (c) Systematics

Explanation of Solution

Explanation/justification for the correct answer:

Option (c) Systematics. The term systematics stands for the study of biological diversity based on evolutionary relationships. This study helps to place organisms into taxonomic groups. By studying systematics, biologists gain information about the evolutionary history of an organism & about the relationship between ancestors and their descendants. So the correct answer is option (c).

Explanation for incorrect answer:

Option (a) Paleontology. This has no connection with the definition given in question since paleontology is the branch of science which concern on the fossil animals and plants.

Option (b) Evolution. The evolution of a species occurs through a million of years. Evolution occurs via the inheritance of advantageous traits. As a result of this inheritance, a difference in the traits in different generations of a single species can be observed. But this not the explanation for systematics. So option (b) should be removed.

Option (d) Natural selection. Natural selection describes how heritable traits help organisms to survive and reproduce. This is a possible explanation for evolution. But this term didn’t describe the study of biological diversity based on evolutionary relationships. Therefore the option (d) should be removed.

Option (e) both a & b.This option states that the option (a) & (b) are correct. But according to the above explanation, these options are incorrect. Therefore, option (e) should also be rejected.

Conclusion

Systematics is the study of biological diversity based on evolutionary relationships. Therefore, answer is option (c).

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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 21, Problem 1TY

Summary Introduction

Introduction:

The term systematics stands for the study of biological diversity based on evolutionary relationships.

By studying systematics, biologists gain information about the evolutionary history of an organism and about the relationship between ancestors and their descendants.

The main goal of systematics is to create a phylogenetic tree that describes an organism’s phylogeny. Phylogeny describes the relationships of an organism, such as from which organisms it is thought to have evolved, to which species it is most closely related, etc. by allowing for a direct connection with systematics.

Expert Solution & Answer

Answer to Problem 1TY

The correct answer is option (c) Systematics

Explanation of Solution

Explanation/justification for the correct answer:

Option (c) Systematics. The term systematics stands for the study of biological diversity based on evolutionary relationships. This study helps to place organisms into taxonomic groups. By studying systematics, biologists gain information about the evolutionary history of an organism & about the relationship between ancestors and their descendants. So the correct answer is option (c).

Explanation for incorrect answer:

Option (a) Paleontology. This has no connection with the definition given in question since paleontology is the branch of science which concern on the fossil animals and plants.

Option (b) Evolution. The evolution of a species occurs through a million of years. Evolution occurs via the inheritance of advantageous traits. As a result of this inheritance, a difference in the traits in different generations of a single species can be observed. But this not the explanation for systematics. So option (b) should be removed.

Option (d) Natural selection. Natural selection describes how heritable traits help organisms to survive and reproduce. This is a possible explanation for evolution. But this term didn’t describe the study of biological diversity based on evolutionary relationships. Therefore the option (d) should be removed.

Option (e) both a & b.This option states that the option (a) & (b) are correct. But according to the above explanation, these options are incorrect. Therefore, option (e) should also be rejected.

Conclusion

Systematics is the study of biological diversity based on evolutionary relationships. Therefore, answer is option (c).

Answer 6

Chapter 21, Problem 1TY

Summary Introduction

Introduction:

The term systematics stands for the study of biological diversity based on evolutionary relationships.

By studying systematics, biologists gain information about the evolutionary history of an organism and about the relationship between ancestors and their descendants.

The main goal of systematics is to create a phylogenetic tree that describes an organism’s phylogeny. Phylogeny describes the relationships of an organism, such as from which organisms it is thought to have evolved, to which species it is most closely related, etc. by allowing for a direct connection with systematics.

Expert Solution & Answer

Answer to Problem 1TY

The correct answer is option (c) Systematics

Explanation of Solution

Explanation/justification for the correct answer:

Option (c) Systematics. The term systematics stands for the study of biological diversity based on evolutionary relationships. This study helps to place organisms into taxonomic groups. By studying systematics, biologists gain information about the evolutionary history of an organism & about the relationship between ancestors and their descendants. So the correct answer is option (c).

Explanation for incorrect answer:

Option (a) Paleontology. This has no connection with the definition given in question since paleontology is the branch of science which concern on the fossil animals and plants.

Option (b) Evolution. The evolution of a species occurs through a million of years. Evolution occurs via the inheritance of advantageous traits. As a result of this inheritance, a difference in the traits in different generations of a single species can be observed. But this not the explanation for systematics. So option (b) should be removed.

Option (d) Natural selection. Natural selection describes how heritable traits help organisms to survive and reproduce. This is a possible explanation for evolution. But this term didn’t describe the study of biological diversity based on evolutionary relationships. Therefore the option (d) should be removed.

Option (e) both a & b.This option states that the option (a) & (b) are correct. But according to the above explanation, these options are incorrect. Therefore, option (e) should also be rejected.

Conclusion

Systematics is the study of biological diversity based on evolutionary relationships. Therefore, answer is option (c).

Answer 7

Chapter 21, Problem 1TY

Summary Introduction

Introduction:

The term systematics stands for the study of biological diversity based on evolutionary relationships.

By studying systematics, biologists gain information about the evolutionary history of an organism and about the relationship between ancestors and their descendants.

The main goal of systematics is to create a phylogenetic tree that describes an organism’s phylogeny. Phylogeny describes the relationships of an organism, such as from which organisms it is thought to have evolved, to which species it is most closely related, etc. by allowing for a direct connection with systematics.

Answer 8

Expert Solution & Answer

Answer to Problem 1TY

The correct answer is option (c) Systematics

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Explanation/justification for the correct answer:

Option (c) Systematics. The term systematics stands for the study of biological diversity based on evolutionary relationships. This study helps to place organisms into taxonomic groups. By studying systematics, biologists gain information about the evolutionary history of an organism & about the relationship between ancestors and their descendants. So the correct answer is option (c).

Explanation for incorrect answer:

Option (a) Paleontology. This has no connection with the definition given in question since paleontology is the branch of science which concern on the fossil animals and plants.

Option (b) Evolution. The evolution of a species occurs through a million of years. Evolution occurs via the inheritance of advantageous traits. As a result of this inheritance, a difference in the traits in different generations of a single species can be observed. But this not the explanation for systematics. So option (b) should be removed.

Option (d) Natural selection. Natural selection describes how heritable traits help organisms to survive and reproduce. This is a possible explanation for evolution. But this term didn’t describe the study of biological diversity based on evolutionary relationships. Therefore the option (d) should be removed.

Option (e) both a & b.This option states that the option (a) & (b) are correct. But according to the above explanation, these options are incorrect. Therefore, option (e) should also be rejected.