The differences between gene, allele, and locus. Introduction: The genotype is the genetic constitution of the organism while the phenotype refers to external characters visible in an organism.

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Answer 1

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Chapter 3, Problem 1QP

a.

Summary Introduction

To determine: The differences between gene, allele, and locus.

Introduction: The genotype is the genetic constitution of the organism while the phenotype refers to external characters visible in an organism.

b.

Summary Introduction

To determine: The differences between the genotype and phenotype.

Introduction: When the alleles inherited by the zygote are same then the genotype of the individual is called homozygous whereas, when the zygote inherits two different alleles it is called heterozygote.

c.

Summary Introduction

To determine: The differences between dominant and recessive.

Introduction: The alleles are the two contrasting variants of characters controlled by a specific gene. These alleles are distributed into the gametes during meiosis and then combined in a zygote during fertilization.

d.

Summary Introduction

To determine: The differences between complete dominance, incomplete dominance, and codominance.

Introduction: Gregor Mendel was an Austrian monk, who worked on a pea plant to observe the pattern of inheritance of certain characters from the parent plant to the offsprings. He termed genes as factors that were passed from one generation to another. He proposed three laws which came are known as Mendel’s law of genetics.

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Solve this problem using the rules of probability instead of Punnet squares, bifurcation forks, or mental visualization. Flower position, stem length, and seed shape were three of the traits that Mendel studied. Each is controlled by an independently assorting gene and has dominant and recessive expression as follows: • Axial inflorescence (flowers originate along the stems) is dominant over terminal (flowers on top of the stem). Long (“tall") stem is dominant over short stem (“dwarf"). • Round seed is dominant over wrinkled. Let's use the symbols Fa/fa for genes determining axial vs. terminal (fa from "false umbel," a type of inflorescence); Le/le for tall vs. dwarf (le is for length); R/r for round vs. wrinkled seeds (the Latin word rugosus means wrinkled). Notice that the phenotype "tall plant" may be conferred by the genotype Lele or Lele; this can be abbreviated as Le-, where the dash represents the alternative allele. The homozygous lele will show the recessive phenotype. Since…

in a summary use your understanding of molecular biology to explain that recessive alleles are expressed through transcription and translation, and that they may have functional gene products. Describe how the interaction of the products produced by each allele results in what we see as dominant or recessive traits.

Shown in the pictures below are the degrees of dominance in the inheritance of flower color in some plants. *Based on the phenotypes (or maybe genotype), differentiate between complete dominance, incomplete dominance, and codominance. Be able to discuss the difference briefly but concisely. You may also refer to the definition.

Answer 2

Question

Chapter 3, Problem 1QP

a.

Summary Introduction

To determine: The differences between gene, allele, and locus.

Introduction: The genotype is the genetic constitution of the organism while the phenotype refers to external characters visible in an organism.

b.

Summary Introduction

To determine: The differences between the genotype and phenotype.

Introduction: When the alleles inherited by the zygote are same then the genotype of the individual is called homozygous whereas, when the zygote inherits two different alleles it is called heterozygote.

c.

Summary Introduction

To determine: The differences between dominant and recessive.

Introduction: The alleles are the two contrasting variants of characters controlled by a specific gene. These alleles are distributed into the gametes during meiosis and then combined in a zygote during fertilization.

d.

Summary Introduction

To determine: The differences between complete dominance, incomplete dominance, and codominance.

Introduction: Gregor Mendel was an Austrian monk, who worked on a pea plant to observe the pattern of inheritance of certain characters from the parent plant to the offsprings. He termed genes as factors that were passed from one generation to another. He proposed three laws which came are known as Mendel’s law of genetics.

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Answer 3

Question

Chapter 3, Problem 1QP

a.

Summary Introduction

To determine: The differences between gene, allele, and locus.

Introduction: The genotype is the genetic constitution of the organism while the phenotype refers to external characters visible in an organism.

b.

Summary Introduction

To determine: The differences between the genotype and phenotype.

Introduction: When the alleles inherited by the zygote are same then the genotype of the individual is called homozygous whereas, when the zygote inherits two different alleles it is called heterozygote.

c.

Summary Introduction

To determine: The differences between dominant and recessive.

Introduction: The alleles are the two contrasting variants of characters controlled by a specific gene. These alleles are distributed into the gametes during meiosis and then combined in a zygote during fertilization.

d.

Summary Introduction

To determine: The differences between complete dominance, incomplete dominance, and codominance.

Introduction: Gregor Mendel was an Austrian monk, who worked on a pea plant to observe the pattern of inheritance of certain characters from the parent plant to the offsprings. He termed genes as factors that were passed from one generation to another. He proposed three laws which came are known as Mendel’s law of genetics.

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Answer 4

Question

Chapter 3, Problem 1QP

a.

Summary Introduction

To determine: The differences between gene, allele, and locus.

Introduction: The genotype is the genetic constitution of the organism while the phenotype refers to external characters visible in an organism.

b.

Summary Introduction

To determine: The differences between the genotype and phenotype.

Introduction: When the alleles inherited by the zygote are same then the genotype of the individual is called homozygous whereas, when the zygote inherits two different alleles it is called heterozygote.

c.

Summary Introduction

To determine: The differences between dominant and recessive.

Introduction: The alleles are the two contrasting variants of characters controlled by a specific gene. These alleles are distributed into the gametes during meiosis and then combined in a zygote during fertilization.

d.

Summary Introduction

To determine: The differences between complete dominance, incomplete dominance, and codominance.

Introduction: Gregor Mendel was an Austrian monk, who worked on a pea plant to observe the pattern of inheritance of certain characters from the parent plant to the offsprings. He termed genes as factors that were passed from one generation to another. He proposed three laws which came are known as Mendel’s law of genetics.

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Answer 5

Chapter 3, Problem 1QP

a.

Summary Introduction

To determine: The differences between gene, allele, and locus.

Introduction: The genotype is the genetic constitution of the organism while the phenotype refers to external characters visible in an organism.

b.

Summary Introduction

To determine: The differences between the genotype and phenotype.

Introduction: When the alleles inherited by the zygote are same then the genotype of the individual is called homozygous whereas, when the zygote inherits two different alleles it is called heterozygote.

c.

Summary Introduction

To determine: The differences between dominant and recessive.

Introduction: The alleles are the two contrasting variants of characters controlled by a specific gene. These alleles are distributed into the gametes during meiosis and then combined in a zygote during fertilization.

d.

Summary Introduction

To determine: The differences between complete dominance, incomplete dominance, and codominance.

Introduction: Gregor Mendel was an Austrian monk, who worked on a pea plant to observe the pattern of inheritance of certain characters from the parent plant to the offsprings. He termed genes as factors that were passed from one generation to another. He proposed three laws which came are known as Mendel’s law of genetics.

Answer 6

Chapter 3, Problem 1QP

a.

Summary Introduction

To determine: The differences between gene, allele, and locus.

Introduction: The genotype is the genetic constitution of the organism while the phenotype refers to external characters visible in an organism.

Answer 7

Chapter 3, Problem 1QP

a.

Summary Introduction

To determine: The differences between gene, allele, and locus.

Introduction: The genotype is the genetic constitution of the organism while the phenotype refers to external characters visible in an organism.

Answer 8

b.

Summary Introduction

To determine: The differences between the genotype and phenotype.

Introduction: When the alleles inherited by the zygote are same then the genotype of the individual is called homozygous whereas, when the zygote inherits two different alleles it is called heterozygote.

Answer 9

b.

Summary Introduction

To determine: The differences between the genotype and phenotype.

Introduction: When the alleles inherited by the zygote are same then the genotype of the individual is called homozygous whereas, when the zygote inherits two different alleles it is called heterozygote.

Answer 10

c.

Summary Introduction

To determine: The differences between dominant and recessive.

Introduction: The alleles are the two contrasting variants of characters controlled by a specific gene. These alleles are distributed into the gametes during meiosis and then combined in a zygote during fertilization.

Answer 11

c.

Summary Introduction

To determine: The differences between dominant and recessive.

Introduction: The alleles are the two contrasting variants of characters controlled by a specific gene. These alleles are distributed into the gametes during meiosis and then combined in a zygote during fertilization.

Answer 12

d.

Summary Introduction

To determine: The differences between complete dominance, incomplete dominance, and codominance.

Introduction: Gregor Mendel was an Austrian monk, who worked on a pea plant to observe the pattern of inheritance of certain characters from the parent plant to the offsprings. He termed genes as factors that were passed from one generation to another. He proposed three laws which came are known as Mendel’s law of genetics.

Answer 13

d.

Summary Introduction

To determine: The differences between complete dominance, incomplete dominance, and codominance.

Introduction: Gregor Mendel was an Austrian monk, who worked on a pea plant to observe the pattern of inheritance of certain characters from the parent plant to the offsprings. He termed genes as factors that were passed from one generation to another. He proposed three laws which came are known as Mendel’s law of genetics.

Answer 14

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Answer 15

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Answer 16

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Answer 17

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The differences between gene, allele, and locus. Introduction: The genotype is the genetic constitution of the organism while the phenotype refers to external characters visible in an organism.

Solution Summary: The author explains the differences between genotype, allele, and locus.

Concept explainers

Videos

To determine: The differences between gene, allele, and locus.

Introduction: The genotype is the genetic constitution of the organism while the phenotype refers to external characters visible in an organism.

To determine: The differences between the genotype and phenotype.

Introduction: When the alleles inherited by the zygote are same then the genotype of the individual is called homozygous whereas, when the zygote inherits two different alleles it is called heterozygote.

To determine: The differences between dominant and recessive.

Introduction: The alleles are the two contrasting variants of characters controlled by a specific gene. These alleles are distributed into the gametes during meiosis and then combined in a zygote during fertilization.

Want to see the full answer?

Chapter 3 Solutions

The differences between gene, allele, and locus. Introduction: The genotype is the genetic constitution of the organism while the phenotype refers to external characters visible in an organism.

Solution Summary: The author explains the differences between genotype, allele, and locus.

Concept explainers

Videos

To determine: The differences between gene, allele, and locus. Introduction: The genotype is the genetic constitution of the organism while the phenotype refers to external characters visible in an organism.

To determine: The differences between the genotype and phenotype. Introduction: When the alleles inherited by the zygote are same then the genotype of the individual is called homozygous whereas, when the zygote inherits two different alleles it is called heterozygote.

To determine: The differences between dominant and recessive. Introduction: The alleles are the two contrasting variants of characters controlled by a specific gene. These alleles are distributed into the gametes during meiosis and then combined in a zygote during fertilization.

Want to see the full answer?

Chapter 3 Solutions

To determine: The differences between gene, allele, and locus.

Introduction: The genotype is the genetic constitution of the organism while the phenotype refers to external characters visible in an organism.

To determine: The differences between the genotype and phenotype.

Introduction: When the alleles inherited by the zygote are same then the genotype of the individual is called homozygous whereas, when the zygote inherits two different alleles it is called heterozygote.

To determine: The differences between dominant and recessive.

Introduction: The alleles are the two contrasting variants of characters controlled by a specific gene. These alleles are distributed into the gametes during meiosis and then combined in a zygote during fertilization.