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…

A. Consider this cross before answering the following questions: A pea plant heterozygous for the first trait and recessive for the second trait is crossed with a pea plant heterozygous for the first trait and homozygous-dominant for the second trait. 1. If there is complete dominance in the expression of the two traits, what is the probability that the F1 progeny will be a. heterozygous for the first trait? b. expressing the dominant feature of the first trait? c. heterozygous for both first and second traits? d. expressing recessive feature of the second trait? e. recessive for both traits 2. It there is incomplete dominance in the expression of the two traits, what is the probability that the F1 progeny will be a. expressing the dominant feature for the second trait? b. expressing the dominant feature for both traits? c. expressing the dominant feature for the first trait and recessive feature for the second? d. expressing recessive feature for the first trait? e.…

Give typed explanation In pea plants, the tall allele (T) is dominant to the dwarf allele (t) and the yellow pea color allele (Y) is dominant to the green pea color allele (y). Cross TtYy with Ttyy. What would be the genotype and phenotype ratios in their offspring? (Please include the gametes produced by each parent.)

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.