Define “biological species.”

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Answer 1

Textbook Question

Chapter 13, Problem 1LTB

Define “biological species.”

Expert Solution & Answer

Summary Introduction

To write:

The definition of biological species.

Introduction:

Biology can be defined as the study of living organisms. It is divided into many particular fields which involve the morphology, behavior, anatomy, physiology, origin, and distribution of organisms.

Explanation of Solution

A biological species can be defined as a group of individuals which can breed together (intra-breed) and cannot breed with other groups (inter-breed). The group shows reproductive isolation from other groups. The concept of biological species states that, a species essentially or potentially can breed with the members of the same species having similar genome. Though appearance is helpful in the identification of species, it does not define a species.

Conclusion

Hence, a biological species can be defined as a group of individuals who can intrabreed and produce a viable offspring.

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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

Textbook Question

Chapter 13, Problem 1LTB

Define “biological species.”

Expert Solution & Answer

Summary Introduction

To write:

The definition of biological species.

Introduction:

Biology can be defined as the study of living organisms. It is divided into many particular fields which involve the morphology, behavior, anatomy, physiology, origin, and distribution of organisms.

Explanation of Solution

A biological species can be defined as a group of individuals which can breed together (intra-breed) and cannot breed with other groups (inter-breed). The group shows reproductive isolation from other groups. The concept of biological species states that, a species essentially or potentially can breed with the members of the same species having similar genome. Though appearance is helpful in the identification of species, it does not define a species.

Conclusion

Hence, a biological species can be defined as a group of individuals who can intrabreed and produce a viable offspring.

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Answer 3

Textbook Question

Chapter 13, Problem 1LTB

Define “biological species.”

Expert Solution & Answer

Summary Introduction

To write:

The definition of biological species.

Introduction:

Biology can be defined as the study of living organisms. It is divided into many particular fields which involve the morphology, behavior, anatomy, physiology, origin, and distribution of organisms.

Explanation of Solution

A biological species can be defined as a group of individuals which can breed together (intra-breed) and cannot breed with other groups (inter-breed). The group shows reproductive isolation from other groups. The concept of biological species states that, a species essentially or potentially can breed with the members of the same species having similar genome. Though appearance is helpful in the identification of species, it does not define a species.

Conclusion

Hence, a biological species can be defined as a group of individuals who can intrabreed and produce a viable offspring.

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

Answer 4

Textbook Question

Chapter 13, Problem 1LTB

Define “biological species.”

Expert Solution & Answer

Summary Introduction

To write:

The definition of biological species.

Introduction:

Biology can be defined as the study of living organisms. It is divided into many particular fields which involve the morphology, behavior, anatomy, physiology, origin, and distribution of organisms.

Explanation of Solution

A biological species can be defined as a group of individuals which can breed together (intra-breed) and cannot breed with other groups (inter-breed). The group shows reproductive isolation from other groups. The concept of biological species states that, a species essentially or potentially can breed with the members of the same species having similar genome. Though appearance is helpful in the identification of species, it does not define a species.

Conclusion

Hence, a biological species can be defined as a group of individuals who can intrabreed and produce a viable offspring.

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

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

To write:

The definition of biological species.

Introduction:

Biology can be defined as the study of living organisms. It is divided into many particular fields which involve the morphology, behavior, anatomy, physiology, origin, and distribution of organisms.

Explanation of Solution

A biological species can be defined as a group of individuals which can breed together (intra-breed) and cannot breed with other groups (inter-breed). The group shows reproductive isolation from other groups. The concept of biological species states that, a species essentially or potentially can breed with the members of the same species having similar genome. Though appearance is helpful in the identification of species, it does not define a species.

Conclusion

Hence, a biological species can be defined as a group of individuals who can intrabreed and produce a viable offspring.

Answer 8

Expert Solution & Answer

Summary Introduction

To write:

The definition of biological species.

Introduction:

Biology can be defined as the study of living organisms. It is divided into many particular fields which involve the morphology, behavior, anatomy, physiology, origin, and distribution of organisms.

Explanation of Solution

A biological species can be defined as a group of individuals which can breed together (intra-breed) and cannot breed with other groups (inter-breed). The group shows reproductive isolation from other groups. The concept of biological species states that, a species essentially or potentially can breed with the members of the same species having similar genome. Though appearance is helpful in the identification of species, it does not define a species.

Conclusion

Hence, a biological species can be defined as a group of individuals who can intrabreed and produce a viable offspring.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

To write:

The definition of biological species.

Introduction:

Biology can be defined as the study of living organisms. It is divided into many particular fields which involve the morphology, behavior, anatomy, physiology, origin, and distribution of organisms.

Answer 12

Explanation of Solution

A biological species can be defined as a group of individuals which can breed together (intra-breed) and cannot breed with other groups (inter-breed). The group shows reproductive isolation from other groups. The concept of biological species states that, a species essentially or potentially can breed with the members of the same species having similar genome. Though appearance is helpful in the identification of species, it does not define a species.