In pea plant purple flower and round seeds are dominant traits. When a dihybrid cross is done between purple-flowered, round-seeded (heterozygous for both) the alleles will assort independently in a ratio of 9:3:3:1.

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Features of a Concept Features of a Concept Characteristics are discrete; that is, they are unitary. Genetic features have alternative forms, and each feature is inherited from one of the two parents. These are called alleles. One allele is dominant over the other allele. The dominant allele is reflected in the phenotype. Random segregation creates the gametes. The heterozygotic individuals produce gametes with an equal frequency of both alleles. Genes are unlinked; that is, different traits arise from the independent assortment.

Chapter 7, Problem 6MC

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Introduction:

In pea plant purple flower and round seeds are dominant traits. When a dihybrid cross is done between purple-flowered, round-seeded (heterozygous for both) the alleles will assort independently in a ratio of 9:3:3:1.

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In a certain plant, the seed traits are as follows: Color: white (W) is dominant over yellow (w)Shape: disk (D) is dominant over sphere (d)Seed coat: thick (T) is dominant over thin (t) a) If the parent plant is a triple heterozygote, what is its phenotype? b) Analyzing the phenotypes of the offspring, the alleles of the gametes were determined as: 85 wDt 390 WDT 27 WDt 81 WdT5 wDT 374 wdt 30 wdT 8 Wdt construct a genetic map using the three-point cross.

In summer squash, white fruit color(W) is dominant over yellow fruit color(w). If a squash plant homozgous for white is crossed with a plant homozygous for yellow, what will the genotypic ratio be for F2 generation? A)1:1B)3:1C)1:1:1:1D)1:2:1

3) Some pea plant varieties show reduced growth (pygmy) and abnormal leaf formation (crinkly). Both characteristics are recessive to the normal sized plant and normal leaf. If a plant, heterozygour for both characteristics, is self pollinated and 320 seeds are subsequently collected and germinated, how many of the offspring would you expect to show... a) normal leaves and pygmy size b) crinkly leaves c) normal leaves and normal size d) normal size?

Answer 2

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Features of a Concept Features of a Concept Characteristics are discrete; that is, they are unitary. Genetic features have alternative forms, and each feature is inherited from one of the two parents. These are called alleles. One allele is dominant over the other allele. The dominant allele is reflected in the phenotype. Random segregation creates the gametes. The heterozygotic individuals produce gametes with an equal frequency of both alleles. Genes are unlinked; that is, different traits arise from the independent assortment.

Chapter 7, Problem 6MC

Summary Introduction

Introduction:

In pea plant purple flower and round seeds are dominant traits. When a dihybrid cross is done between purple-flowered, round-seeded (heterozygous for both) the alleles will assort independently in a ratio of 9:3:3:1.

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Answer 3

Question

Features of a Concept Features of a Concept Characteristics are discrete; that is, they are unitary. Genetic features have alternative forms, and each feature is inherited from one of the two parents. These are called alleles. One allele is dominant over the other allele. The dominant allele is reflected in the phenotype. Random segregation creates the gametes. The heterozygotic individuals produce gametes with an equal frequency of both alleles. Genes are unlinked; that is, different traits arise from the independent assortment.

Chapter 7, Problem 6MC

Summary Introduction

Introduction:

In pea plant purple flower and round seeds are dominant traits. When a dihybrid cross is done between purple-flowered, round-seeded (heterozygous for both) the alleles will assort independently in a ratio of 9:3:3:1.

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Answer 4

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Features of a Concept Features of a Concept Characteristics are discrete; that is, they are unitary. Genetic features have alternative forms, and each feature is inherited from one of the two parents. These are called alleles. One allele is dominant over the other allele. The dominant allele is reflected in the phenotype. Random segregation creates the gametes. The heterozygotic individuals produce gametes with an equal frequency of both alleles. Genes are unlinked; that is, different traits arise from the independent assortment.

Chapter 7, Problem 6MC

Summary Introduction

Introduction:

In pea plant purple flower and round seeds are dominant traits. When a dihybrid cross is done between purple-flowered, round-seeded (heterozygous for both) the alleles will assort independently in a ratio of 9:3:3:1.

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Answer 5

Chapter 7, Problem 6MC

Summary Introduction

Introduction:

In pea plant purple flower and round seeds are dominant traits. When a dihybrid cross is done between purple-flowered, round-seeded (heterozygous for both) the alleles will assort independently in a ratio of 9:3:3:1.

Answer 6

Chapter 7, Problem 6MC

Summary Introduction

Introduction:

In pea plant purple flower and round seeds are dominant traits. When a dihybrid cross is done between purple-flowered, round-seeded (heterozygous for both) the alleles will assort independently in a ratio of 9:3:3:1.

Answer 7

Chapter 7, Problem 6MC

Summary Introduction

Introduction:

In pea plant purple flower and round seeds are dominant traits. When a dihybrid cross is done between purple-flowered, round-seeded (heterozygous for both) the alleles will assort independently in a ratio of 9:3:3:1.

Answer 8

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Answer 11

Ch. 7 - Prob. 1SA Ch. 7 - Prob. 2SA Ch. 7 - Prob. 3SA Ch. 7 - Prob. 4SA Ch. 7 - Prob. 5SA Ch. 7 - Prob. 6SA Ch. 7 - Prob. 7SA Ch. 7 - Prob. 8SA Ch. 7 - Prob. 9SA Ch. 7 - Prob. 10SA

In pea plant purple flower and round seeds are dominant traits. When a dihybrid cross is done between purple-flowered, round-seeded (heterozygous for both) the alleles will assort independently in a ratio of 9:3:3:1.

Solution Summary: The author explains that a dihybrid cross between purple-flowered, round-seeded (heterozygous for both) follows the ‘Law of independent assortment’ of Mendelian genetics

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Introduction:

In pea plant purple flower and round seeds are dominant traits. When a dihybrid cross is done between purple-flowered, round-seeded (heterozygous for both) the alleles will assort independently in a ratio of 9:3:3:1.

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Chapter 7 Solutions

In pea plant purple flower and round seeds are dominant traits. When a dihybrid cross is done between purple-flowered, round-seeded (heterozygous for both) the alleles will assort independently in a ratio of 9:3:3:1.

Solution Summary: The author explains that a dihybrid cross between purple-flowered, round-seeded (heterozygous for both) follows the ‘Law of independent assortment’ of Mendelian genetics

Concept explainers

Videos

Introduction: In pea plant purple flower and round seeds are dominant traits. When a dihybrid cross is done between purple-flowered, round-seeded (heterozygous for both) the alleles will assort independently in a ratio of 9:3:3:1.

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Chapter 7 Solutions

Introduction:

In pea plant purple flower and round seeds are dominant traits. When a dihybrid cross is done between purple-flowered, round-seeded (heterozygous for both) the alleles will assort independently in a ratio of 9:3:3:1.