The genotype of the smooth yellow parent. Introduction: The law of independent assortment is the third law of Mendelian genetics . It was given by performing a dihybrid cross which is the cross between the alleles of two pairs of contrasting characters. The alleles produced by each character are independent to combine with the alleles of the other character. This independent sorting of the alleles irrespective of the dominant or the recessive trait is defined as the law of independent assortment.

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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 3, Problem 17QP

a.

Summary Introduction

To determine: The genotype of the smooth yellow parent.

Introduction: The law of independent assortment is the third law of Mendelian genetics. It was given by performing a dihybrid cross which is the cross between the alleles of two pairs of contrasting characters. The alleles produced by each character are independent to combine with the alleles of the other character. This independent sorting of the alleles irrespective of the dominant or the recessive trait is defined as the law of independent assortment.

b.

Summary Introduction

To determine: The genotype of the four classes of offsprings formed in the cross.

Introduction: The alleles produced by each character in a dihybrid cross are independent to combine with each other’s phenotypic character. This independent sorting of the alleles irrespective of the dominant or the recessive trait is defined as the law of independent assortment.

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Introduction: A dihybrid cross is a cross between individuals that involves two pairs of contrasting traits. To Predict the results of a dihybrid, cross all possible combinations of the four alleles from each parent must be considered. You will examine a dihybrid cross involving both color and texture. Purple (P), is dominate to yellow (p), and smooth texture (S) is dominant to wrinkled (s). Both parent plants are heterozygous for both traits. Review genetics and the use of Punnett squares in a biology text before doing this experiment.MATERIALS: Assume you have ear of Corn. You need a heterozygous X heterozygous 9:3:3:1, purple/yellow, starchy/sweet. PROCEDURE: From above please write out: The crop The parental (P) cross phenotype, genotype, gametes Cross between two F1 Selfed testcross 1. First let us use a Punnett square to examine the theoretical outcome of the Heterozygous X Heterozygous dihybrid cross. USE a Punnett square. REMEMBER: a phenotype is how the offspring will…

In the common daisy, genes A and B control flower color. Both genes have a dominant allele (A or B) and a recessive allele (a or b). At least one copy of each dominant allele is required for flowers to be colorful instead of white. (Explain and Justify your answers) 21.1) Predict the genotypes and phenotypes of the F1 progeny of a cross between two white-flowered plants, one homozygous AA and the other homozygous BB. A) AA bb, white B) aa BB, white C) Aa Bb, colorful D) Aa Bb, white E) aa bb, colorful 21.2) Predict the phenotypic ratio of the F2 progeny of a cross between two white-flowered plants, one homozygous AA and the other homozygous BB. A) 3 colorful : 1 white B) 9 colorful : 7 white C) 9 white : 7 colorful D) 15 white : 1 colorful E) 15 colorful : 1 white 21.3) The inheritance pattern of daisy flower color provides an example of what type of gene interaction? A) additivity…

Perform two consecutive crosses similar to those of Mendel for the following individual plants. Plants with round seeds (RR) are crossing with plants with wrinkled seeds (rr). After the first cross, cross the offspring together to generate F2 offspring. What are the genotypic and phenotypic ration of F2?

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 3, Problem 17QP

a.

Summary Introduction

To determine: The genotype of the smooth yellow parent.

Introduction: The law of independent assortment is the third law of Mendelian genetics. It was given by performing a dihybrid cross which is the cross between the alleles of two pairs of contrasting characters. The alleles produced by each character are independent to combine with the alleles of the other character. This independent sorting of the alleles irrespective of the dominant or the recessive trait is defined as the law of independent assortment.

b.

Summary Introduction

To determine: The genotype of the four classes of offsprings formed in the cross.

Introduction: The alleles produced by each character in a dihybrid cross are independent to combine with each other’s phenotypic character. This independent sorting of the alleles irrespective of the dominant or the recessive trait is defined as the law of independent assortment.

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Answer 3

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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 3, Problem 17QP

a.

Summary Introduction

To determine: The genotype of the smooth yellow parent.

Introduction: The law of independent assortment is the third law of Mendelian genetics. It was given by performing a dihybrid cross which is the cross between the alleles of two pairs of contrasting characters. The alleles produced by each character are independent to combine with the alleles of the other character. This independent sorting of the alleles irrespective of the dominant or the recessive trait is defined as the law of independent assortment.

b.

Summary Introduction

To determine: The genotype of the four classes of offsprings formed in the cross.

Introduction: The alleles produced by each character in a dihybrid cross are independent to combine with each other’s phenotypic character. This independent sorting of the alleles irrespective of the dominant or the recessive trait is defined as the law of independent assortment.

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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 3, Problem 17QP

a.

Summary Introduction

To determine: The genotype of the smooth yellow parent.

Introduction: The law of independent assortment is the third law of Mendelian genetics. It was given by performing a dihybrid cross which is the cross between the alleles of two pairs of contrasting characters. The alleles produced by each character are independent to combine with the alleles of the other character. This independent sorting of the alleles irrespective of the dominant or the recessive trait is defined as the law of independent assortment.

b.

Summary Introduction

To determine: The genotype of the four classes of offsprings formed in the cross.

Introduction: The alleles produced by each character in a dihybrid cross are independent to combine with each other’s phenotypic character. This independent sorting of the alleles irrespective of the dominant or the recessive trait is defined as the law of independent assortment.

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Answer 5

Chapter 3, Problem 17QP

a.

Summary Introduction

To determine: The genotype of the smooth yellow parent.

Introduction: The law of independent assortment is the third law of Mendelian genetics. It was given by performing a dihybrid cross which is the cross between the alleles of two pairs of contrasting characters. The alleles produced by each character are independent to combine with the alleles of the other character. This independent sorting of the alleles irrespective of the dominant or the recessive trait is defined as the law of independent assortment.

b.

Summary Introduction

To determine: The genotype of the four classes of offsprings formed in the cross.

Introduction: The alleles produced by each character in a dihybrid cross are independent to combine with each other’s phenotypic character. This independent sorting of the alleles irrespective of the dominant or the recessive trait is defined as the law of independent assortment.

Answer 6

Chapter 3, Problem 17QP

a.

Summary Introduction

To determine: The genotype of the smooth yellow parent.

Introduction: The law of independent assortment is the third law of Mendelian genetics. It was given by performing a dihybrid cross which is the cross between the alleles of two pairs of contrasting characters. The alleles produced by each character are independent to combine with the alleles of the other character. This independent sorting of the alleles irrespective of the dominant or the recessive trait is defined as the law of independent assortment.

Answer 7

Chapter 3, Problem 17QP

a.

Summary Introduction

To determine: The genotype of the smooth yellow parent.

Introduction: The law of independent assortment is the third law of Mendelian genetics. It was given by performing a dihybrid cross which is the cross between the alleles of two pairs of contrasting characters. The alleles produced by each character are independent to combine with the alleles of the other character. This independent sorting of the alleles irrespective of the dominant or the recessive trait is defined as the law of independent assortment.

Answer 8

b.

Summary Introduction

To determine: The genotype of the four classes of offsprings formed in the cross.

Introduction: The alleles produced by each character in a dihybrid cross are independent to combine with each other’s phenotypic character. This independent sorting of the alleles irrespective of the dominant or the recessive trait is defined as the law of independent assortment.

Answer 9

b.

Summary Introduction

To determine: The genotype of the four classes of offsprings formed in the cross.

Introduction: The alleles produced by each character in a dihybrid cross are independent to combine with each other’s phenotypic character. This independent sorting of the alleles irrespective of the dominant or the recessive trait is defined as the law of independent assortment.

Answer 10

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Answer 13

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Solution Summary: The author explains the law of independent assortment, which is defined by performing a dihybrid cross between alleles of two pairs of contrasting characters.

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