The factors that cause the loss of genetic variation in the establishment of a captive population. Introduction: The amphibians live on the ground, but they lay their eggs in the aquatic environment. The amphibians reproduce by external fertilization. The eggs are fertilized and hatch into tadpoles. The salamanders and newts have a slender body and a long tail. The salamanders more live in water and less in land, whereas, the newts live in the land more than water.

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Answer 1

Question

Chapter 25.4, Problem 44CQ

Summary Introduction

To determine:

The factors that cause the loss of genetic variation in the establishment of a captive population.

Introduction:

The amphibians live on the ground, but they lay their eggs in the aquatic environment. The amphibians reproduce by external fertilization. The eggs are fertilized and hatch into tadpoles. The salamanders and newts have a slender body and a long tail. The salamanders more live in water and less in land, whereas, the newts live in the land more than water.

Summary Introduction

To determine:

The ways by which the loss of such variation can be prevented.

Introduction:

The endangered species is an important part of the ecosystems. The increasing human population and exploitation of resources have resulted in the damaging of the ecosystems. The ecosystem conservation is included in the conservation biology. The national parks are the protected areas for the animals and plant species so that they can flourish properly and the endangered species can be saved.

Summary Introduction

To determine:

The procedures that should be instituted to ensure the long-term maintenance of as much variation as possible.

Introduction:

The endangered species is an important part of the ecosystems. The increasing human population and exploitation of resources have resulted in the damaging of the ecosystems. The ecosystem conservation is included in the conservation biology. The national parks are the protected areas for the animals and plant species so that they can flourish properly and the endangered species can be saved.

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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 25.4, Problem 44CQ

Summary Introduction

To determine:

The factors that cause the loss of genetic variation in the establishment of a captive population.

Introduction:

The amphibians live on the ground, but they lay their eggs in the aquatic environment. The amphibians reproduce by external fertilization. The eggs are fertilized and hatch into tadpoles. The salamanders and newts have a slender body and a long tail. The salamanders more live in water and less in land, whereas, the newts live in the land more than water.

Summary Introduction

To determine:

The ways by which the loss of such variation can be prevented.

Introduction:

The endangered species is an important part of the ecosystems. The increasing human population and exploitation of resources have resulted in the damaging of the ecosystems. The ecosystem conservation is included in the conservation biology. The national parks are the protected areas for the animals and plant species so that they can flourish properly and the endangered species can be saved.

Summary Introduction

To determine:

The procedures that should be instituted to ensure the long-term maintenance of as much variation as possible.

Introduction:

The endangered species is an important part of the ecosystems. The increasing human population and exploitation of resources have resulted in the damaging of the ecosystems. The ecosystem conservation is included in the conservation biology. The national parks are the protected areas for the animals and plant species so that they can flourish properly and the endangered species can be saved.

Expert Solution & Answer

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Answer 3

Question

Chapter 25.4, Problem 44CQ

Summary Introduction

To determine:

The factors that cause the loss of genetic variation in the establishment of a captive population.

Introduction:

The amphibians live on the ground, but they lay their eggs in the aquatic environment. The amphibians reproduce by external fertilization. The eggs are fertilized and hatch into tadpoles. The salamanders and newts have a slender body and a long tail. The salamanders more live in water and less in land, whereas, the newts live in the land more than water.

Summary Introduction

To determine:

The ways by which the loss of such variation can be prevented.

Introduction:

The endangered species is an important part of the ecosystems. The increasing human population and exploitation of resources have resulted in the damaging of the ecosystems. The ecosystem conservation is included in the conservation biology. The national parks are the protected areas for the animals and plant species so that they can flourish properly and the endangered species can be saved.

Summary Introduction

To determine:

The procedures that should be instituted to ensure the long-term maintenance of as much variation as possible.

Introduction:

The endangered species is an important part of the ecosystems. The increasing human population and exploitation of resources have resulted in the damaging of the ecosystems. The ecosystem conservation is included in the conservation biology. The national parks are the protected areas for the animals and plant species so that they can flourish properly and the endangered species can be saved.

Expert Solution & Answer

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Answer 4

Question

Chapter 25.4, Problem 44CQ

Summary Introduction

To determine:

The factors that cause the loss of genetic variation in the establishment of a captive population.

Introduction:

The amphibians live on the ground, but they lay their eggs in the aquatic environment. The amphibians reproduce by external fertilization. The eggs are fertilized and hatch into tadpoles. The salamanders and newts have a slender body and a long tail. The salamanders more live in water and less in land, whereas, the newts live in the land more than water.

Summary Introduction

To determine:

The ways by which the loss of such variation can be prevented.

Introduction:

The endangered species is an important part of the ecosystems. The increasing human population and exploitation of resources have resulted in the damaging of the ecosystems. The ecosystem conservation is included in the conservation biology. The national parks are the protected areas for the animals and plant species so that they can flourish properly and the endangered species can be saved.

Summary Introduction

To determine:

The procedures that should be instituted to ensure the long-term maintenance of as much variation as possible.

Introduction:

The endangered species is an important part of the ecosystems. The increasing human population and exploitation of resources have resulted in the damaging of the ecosystems. The ecosystem conservation is included in the conservation biology. The national parks are the protected areas for the animals and plant species so that they can flourish properly and the endangered species can be saved.

Expert Solution & Answer

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Answer 5

Chapter 25.4, Problem 44CQ

Summary Introduction

To determine:

The factors that cause the loss of genetic variation in the establishment of a captive population.

Introduction:

The amphibians live on the ground, but they lay their eggs in the aquatic environment. The amphibians reproduce by external fertilization. The eggs are fertilized and hatch into tadpoles. The salamanders and newts have a slender body and a long tail. The salamanders more live in water and less in land, whereas, the newts live in the land more than water.

Summary Introduction

To determine:

The ways by which the loss of such variation can be prevented.

Introduction:

The endangered species is an important part of the ecosystems. The increasing human population and exploitation of resources have resulted in the damaging of the ecosystems. The ecosystem conservation is included in the conservation biology. The national parks are the protected areas for the animals and plant species so that they can flourish properly and the endangered species can be saved.

Summary Introduction

To determine:

The procedures that should be instituted to ensure the long-term maintenance of as much variation as possible.

Introduction:

The endangered species is an important part of the ecosystems. The increasing human population and exploitation of resources have resulted in the damaging of the ecosystems. The ecosystem conservation is included in the conservation biology. The national parks are the protected areas for the animals and plant species so that they can flourish properly and the endangered species can be saved.

Answer 6

Chapter 25.4, Problem 44CQ

Summary Introduction

To determine:

The factors that cause the loss of genetic variation in the establishment of a captive population.

Introduction:

The amphibians live on the ground, but they lay their eggs in the aquatic environment. The amphibians reproduce by external fertilization. The eggs are fertilized and hatch into tadpoles. The salamanders and newts have a slender body and a long tail. The salamanders more live in water and less in land, whereas, the newts live in the land more than water.

Answer 7

Chapter 25.4, Problem 44CQ

Summary Introduction

To determine:

The factors that cause the loss of genetic variation in the establishment of a captive population.

Introduction:

The amphibians live on the ground, but they lay their eggs in the aquatic environment. The amphibians reproduce by external fertilization. The eggs are fertilized and hatch into tadpoles. The salamanders and newts have a slender body and a long tail. The salamanders more live in water and less in land, whereas, the newts live in the land more than water.

Answer 8

Summary Introduction

To determine:

The ways by which the loss of such variation can be prevented.

Introduction:

The endangered species is an important part of the ecosystems. The increasing human population and exploitation of resources have resulted in the damaging of the ecosystems. The ecosystem conservation is included in the conservation biology. The national parks are the protected areas for the animals and plant species so that they can flourish properly and the endangered species can be saved.

Answer 9

Summary Introduction

To determine:

The ways by which the loss of such variation can be prevented.

Introduction:

The endangered species is an important part of the ecosystems. The increasing human population and exploitation of resources have resulted in the damaging of the ecosystems. The ecosystem conservation is included in the conservation biology. The national parks are the protected areas for the animals and plant species so that they can flourish properly and the endangered species can be saved.

Answer 10

Summary Introduction

To determine:

The procedures that should be instituted to ensure the long-term maintenance of as much variation as possible.

Introduction:

The endangered species is an important part of the ecosystems. The increasing human population and exploitation of resources have resulted in the damaging of the ecosystems. The ecosystem conservation is included in the conservation biology. The national parks are the protected areas for the animals and plant species so that they can flourish properly and the endangered species can be saved.

Answer 11

Summary Introduction

To determine:

The procedures that should be instituted to ensure the long-term maintenance of as much variation as possible.

Introduction:

The endangered species is an important part of the ecosystems. The increasing human population and exploitation of resources have resulted in the damaging of the ecosystems. The ecosystem conservation is included in the conservation biology. The national parks are the protected areas for the animals and plant species so that they can flourish properly and the endangered species can be saved.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 25.1 - Prob. 15AQP Ch. 25.1 - Prob. 16AQP Ch. 25.1 - Prob. 17AQP Ch. 25.1 - Prob. 18AQP Ch. 25.1 - Prob. 1CC Ch. 25.1 - Prob. 1COQ Ch. 25.2 - Prob. 19AQP Ch. 25.2 - Prob. 20AQP Ch. 25.2 - Prob. 21AQP Ch. 25.2 - Prob. 22AQP

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Chapter 25 Solutions