The genotype of the parents for the given offspring. Introduction: According to Mendelian inheritance , a single character is controlled by one or more pairs of alleles. These alleles can be either dominant or recessive. Usually, dominant allele masks the expression of recessive allele. Recessive allele is expressed only in homozygous condition but dominant allele is expressed both in homozygous and heterozygous condition.

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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 14, Problem 7GP

Summary Introduction

To determine: The genotype of the parents for the given offspring.

Introduction: According to Mendelian inheritance, a single character is controlled by one or more pairs of alleles. These alleles can be either dominant or recessive. Usually, dominant allele masks the expression of recessive allele. Recessive allele is expressed only in homozygous condition but dominant allele is expressed both in homozygous and heterozygous condition.

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For Dalmatian dogs, the spotted condition is dominant over non-spotted. (a) Using a Punnett square, show the results of a cross between two heterozygous parents. ( please draw the punnet square and write the parent and G and f1: thanks) (b) A spotted female Dalmatian dog mates with an unknown father. From the appearance of the pups, the owner concludes that the male was a Dalmatian. The owner notes that the female had six pups, three spotted and three non-spotted. What are the genotype and phenotype of the unknown male?

In cats, white patches are caused by the dominant allele P while p/p individuals are solid colored. Short hair is caused by the dominant allele S, while s/s cats have long hair. A longhaired cat with patches whose mother was solid-colored and shorthaired mates with a shorthaired, solid-colored cat whose mother was longhaired and solid-colored. What kinds of kittens can arise from this mating and in what proportions? Outline the cross and assign genotypes, phenotypes, and proportions in the space below. Plong hair, white patchesxshort hair, solid colored s/s ; P/pS/s ; p/p F1 progeny: 1/4 s/s ; P/plong hair, white patches 1/4 s/s ; p/plong hair, solid colored 1/4 S/s ; P/pshort hair, white patches 1/4 S/s ; p/pshort hair, solid colored

Labrador retrievers may be black, brown (chocolate), or golden (yellow) in color. While each color may breed true, many different outcomes are seen when numerous litters are examined from a variety of matings where the parents are not necessarily true breeding. Shown below are just some of the many possibilities. (a) black × brown → all black (b) black × brown → 1/2 black 1/2 brown (c) black × brown → 3/4 black 1/4 golden (d) black × golden → all black (e) black × golden →4/8 golden 3/8 black 1/8 brown (f) black × golden → 2/4 golden 1/4 black 1/4 brown (g) brown × brown → 3/4 brown 1/4 golden (h) black × black → 9/16 black 4/16 golden 3/16 brown

Answer 2

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 14, Problem 7GP

Summary Introduction

To determine: The genotype of the parents for the given offspring.

Introduction: According to Mendelian inheritance, a single character is controlled by one or more pairs of alleles. These alleles can be either dominant or recessive. Usually, dominant allele masks the expression of recessive allele. Recessive allele is expressed only in homozygous condition but dominant allele is expressed both in homozygous and heterozygous condition.

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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 14, Problem 7GP

Summary Introduction

To determine: The genotype of the parents for the given offspring.

Introduction: According to Mendelian inheritance, a single character is controlled by one or more pairs of alleles. These alleles can be either dominant or recessive. Usually, dominant allele masks the expression of recessive allele. Recessive allele is expressed only in homozygous condition but dominant allele is expressed both in homozygous and heterozygous condition.

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Check out a sample textbook solution

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Answer 4

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 14, Problem 7GP

Summary Introduction