Evolution of anisogamy from the ancestor having equal-sized gametes. Introduction: Anisogamy is an act of an organism by virtue of which it produces gametes of different size, resulting in the formation of dimorphic gametes. The male gamete is often small sized, motile gamete, but egg or ovum of the female consists of large cells having abundant yolk for the survival and development of the zygote.

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Answer 1

Question

Chapter 10, Problem 7PDT

Summary Introduction

To explain: Evolution of anisogamy from the ancestor having equal-sized gametes.

Introduction: Anisogamy is an act of an organism by virtue of which it produces gametes of different size, resulting in the formation of dimorphic gametes. The male gamete is often small sized, motile gamete, but egg or ovum of the female consists of large cells having abundant yolk for the survival and development of the zygote.

Summary Introduction

To explain: Factors leading to divergence of gametes with a population

Introduction: Divergence of gametes leads to anisogamy. Anisogamy is an act of an organism by virtue of which it produces gametes of different size, resulting in the formation of dimorphic gametes. The male gamete is often small sized, motile gamete, but egg or ovum of female consists of large cells having abundant yolk for the survival and development of the zygote.

Summary Introduction

To explain: The female belonging to two different distant related lineages is homologous.

Introduction: Sexually reproducing animals have the ability to adapt to the environment and produce variations within the species. These variations are generally positive and sometimes neutral and have to face natural selection to retain in the gene pool of species. After passage of time, slowly variation results in speciation.

Summary Introduction

To explain: How many times might the sex roles have evolved.

Introduction: Sexually reproducing animals have the ability to adapt to the environment and produce variations within the species. These variations are generally positive and sometimes neutral and have to face natural selection to retain in the gene pool of species. After a passage of time, slowly variation results in speciation.

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Q8. A researcher wants to study the effectiveness of a pill intended to reduce stomach heartburn in pregnant women. The researcher chooses randomly 400 women to participate in this experiment for 9 months of their pregnancy period. They all need to have the same diet. The researcher designs two groups of 200 participants: One group take the real medication intended to reduce heartburn, while the other group take placebo medication. In this study what are: Independent variable: Dependent variable: Control variable: Experimental group: " Control group: If the participants do not know who is consuming the real pills and who is consuming the sugar pills. This study is It happens that 40% of the participants do not find the treatment helpful and drop out after 6 months. The researcher throws out the data from subjects that drop out. What type of bias is there in this study? If the company who makes the medication funds this research, what type of bias might exist in this research work?

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Answer 2

Question

Chapter 10, Problem 7PDT

Summary Introduction

To explain: Evolution of anisogamy from the ancestor having equal-sized gametes.

Introduction: Anisogamy is an act of an organism by virtue of which it produces gametes of different size, resulting in the formation of dimorphic gametes. The male gamete is often small sized, motile gamete, but egg or ovum of the female consists of large cells having abundant yolk for the survival and development of the zygote.

Summary Introduction

To explain: Factors leading to divergence of gametes with a population

Introduction: Divergence of gametes leads to anisogamy. Anisogamy is an act of an organism by virtue of which it produces gametes of different size, resulting in the formation of dimorphic gametes. The male gamete is often small sized, motile gamete, but egg or ovum of female consists of large cells having abundant yolk for the survival and development of the zygote.

Summary Introduction

To explain: The female belonging to two different distant related lineages is homologous.

Introduction: Sexually reproducing animals have the ability to adapt to the environment and produce variations within the species. These variations are generally positive and sometimes neutral and have to face natural selection to retain in the gene pool of species. After passage of time, slowly variation results in speciation.

Summary Introduction

To explain: How many times might the sex roles have evolved.

Introduction: Sexually reproducing animals have the ability to adapt to the environment and produce variations within the species. These variations are generally positive and sometimes neutral and have to face natural selection to retain in the gene pool of species. After a passage of time, slowly variation results in speciation.

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Answer 3

Question

Chapter 10, Problem 7PDT

Summary Introduction

To explain: Evolution of anisogamy from the ancestor having equal-sized gametes.

Introduction: Anisogamy is an act of an organism by virtue of which it produces gametes of different size, resulting in the formation of dimorphic gametes. The male gamete is often small sized, motile gamete, but egg or ovum of the female consists of large cells having abundant yolk for the survival and development of the zygote.

Summary Introduction

To explain: Factors leading to divergence of gametes with a population

Introduction: Divergence of gametes leads to anisogamy. Anisogamy is an act of an organism by virtue of which it produces gametes of different size, resulting in the formation of dimorphic gametes. The male gamete is often small sized, motile gamete, but egg or ovum of female consists of large cells having abundant yolk for the survival and development of the zygote.

Summary Introduction

To explain: The female belonging to two different distant related lineages is homologous.

Introduction: Sexually reproducing animals have the ability to adapt to the environment and produce variations within the species. These variations are generally positive and sometimes neutral and have to face natural selection to retain in the gene pool of species. After passage of time, slowly variation results in speciation.

Summary Introduction

To explain: How many times might the sex roles have evolved.

Introduction: Sexually reproducing animals have the ability to adapt to the environment and produce variations within the species. These variations are generally positive and sometimes neutral and have to face natural selection to retain in the gene pool of species. After a passage of time, slowly variation results in speciation.

Expert Solution & Answer

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Answer 4

Question

Chapter 10, Problem 7PDT

Summary Introduction

To explain: Evolution of anisogamy from the ancestor having equal-sized gametes.

Introduction: Anisogamy is an act of an organism by virtue of which it produces gametes of different size, resulting in the formation of dimorphic gametes. The male gamete is often small sized, motile gamete, but egg or ovum of the female consists of large cells having abundant yolk for the survival and development of the zygote.

Summary Introduction

To explain: Factors leading to divergence of gametes with a population

Introduction: Divergence of gametes leads to anisogamy. Anisogamy is an act of an organism by virtue of which it produces gametes of different size, resulting in the formation of dimorphic gametes. The male gamete is often small sized, motile gamete, but egg or ovum of female consists of large cells having abundant yolk for the survival and development of the zygote.

Summary Introduction

To explain: The female belonging to two different distant related lineages is homologous.

Introduction: Sexually reproducing animals have the ability to adapt to the environment and produce variations within the species. These variations are generally positive and sometimes neutral and have to face natural selection to retain in the gene pool of species. After passage of time, slowly variation results in speciation.

Summary Introduction

To explain: How many times might the sex roles have evolved.

Introduction: Sexually reproducing animals have the ability to adapt to the environment and produce variations within the species. These variations are generally positive and sometimes neutral and have to face natural selection to retain in the gene pool of species. After a passage of time, slowly variation results in speciation.

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Answer 5

Chapter 10, Problem 7PDT

Summary Introduction

To explain: Evolution of anisogamy from the ancestor having equal-sized gametes.

Introduction: Anisogamy is an act of an organism by virtue of which it produces gametes of different size, resulting in the formation of dimorphic gametes. The male gamete is often small sized, motile gamete, but egg or ovum of the female consists of large cells having abundant yolk for the survival and development of the zygote.

Summary Introduction

To explain: Factors leading to divergence of gametes with a population

Introduction: Divergence of gametes leads to anisogamy. Anisogamy is an act of an organism by virtue of which it produces gametes of different size, resulting in the formation of dimorphic gametes. The male gamete is often small sized, motile gamete, but egg or ovum of female consists of large cells having abundant yolk for the survival and development of the zygote.

Summary Introduction

To explain: The female belonging to two different distant related lineages is homologous.

Introduction: Sexually reproducing animals have the ability to adapt to the environment and produce variations within the species. These variations are generally positive and sometimes neutral and have to face natural selection to retain in the gene pool of species. After passage of time, slowly variation results in speciation.

Summary Introduction

To explain: How many times might the sex roles have evolved.

Introduction: Sexually reproducing animals have the ability to adapt to the environment and produce variations within the species. These variations are generally positive and sometimes neutral and have to face natural selection to retain in the gene pool of species. After a passage of time, slowly variation results in speciation.

Answer 6

Chapter 10, Problem 7PDT

Summary Introduction

To explain: Evolution of anisogamy from the ancestor having equal-sized gametes.

Introduction: Anisogamy is an act of an organism by virtue of which it produces gametes of different size, resulting in the formation of dimorphic gametes. The male gamete is often small sized, motile gamete, but egg or ovum of the female consists of large cells having abundant yolk for the survival and development of the zygote.

Answer 7

Chapter 10, Problem 7PDT

Summary Introduction

To explain: Evolution of anisogamy from the ancestor having equal-sized gametes.

Introduction: Anisogamy is an act of an organism by virtue of which it produces gametes of different size, resulting in the formation of dimorphic gametes. The male gamete is often small sized, motile gamete, but egg or ovum of the female consists of large cells having abundant yolk for the survival and development of the zygote.

Answer 8

Summary Introduction

To explain: Factors leading to divergence of gametes with a population

Introduction: Divergence of gametes leads to anisogamy. Anisogamy is an act of an organism by virtue of which it produces gametes of different size, resulting in the formation of dimorphic gametes. The male gamete is often small sized, motile gamete, but egg or ovum of female consists of large cells having abundant yolk for the survival and development of the zygote.

Answer 9

Summary Introduction

To explain: Factors leading to divergence of gametes with a population

Introduction: Divergence of gametes leads to anisogamy. Anisogamy is an act of an organism by virtue of which it produces gametes of different size, resulting in the formation of dimorphic gametes. The male gamete is often small sized, motile gamete, but egg or ovum of female consists of large cells having abundant yolk for the survival and development of the zygote.

Answer 10

Summary Introduction

To explain: The female belonging to two different distant related lineages is homologous.

Introduction: Sexually reproducing animals have the ability to adapt to the environment and produce variations within the species. These variations are generally positive and sometimes neutral and have to face natural selection to retain in the gene pool of species. After passage of time, slowly variation results in speciation.

Answer 11

Summary Introduction

To explain: The female belonging to two different distant related lineages is homologous.

Introduction: Sexually reproducing animals have the ability to adapt to the environment and produce variations within the species. These variations are generally positive and sometimes neutral and have to face natural selection to retain in the gene pool of species. After passage of time, slowly variation results in speciation.

Answer 12

Summary Introduction

To explain: How many times might the sex roles have evolved.

Introduction: Sexually reproducing animals have the ability to adapt to the environment and produce variations within the species. These variations are generally positive and sometimes neutral and have to face natural selection to retain in the gene pool of species. After a passage of time, slowly variation results in speciation.

Answer 13

Summary Introduction

To explain: How many times might the sex roles have evolved.

Introduction: Sexually reproducing animals have the ability to adapt to the environment and produce variations within the species. These variations are generally positive and sometimes neutral and have to face natural selection to retain in the gene pool of species. After a passage of time, slowly variation results in speciation.

Answer 14

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Answer 17

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

Solution Summary: The author explains the evolution of anisogamy from the ancestor having equal-sized gametes.

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