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Human Heredity: Principles and Iss...

11th Edition
Michael Cummings
Publisher: Cengage Learning
ISBN: 9781305251052

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BuyFindarrow_forward

Human Heredity: Principles and Iss...

11th Edition
Michael Cummings
Publisher: Cengage Learning
ISBN: 9781305251052
Chapter 3, Problem 5QP
Textbook Problem
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Crossing Pea Plants: Mendel’s Study of Single Traits

Suppose that organisms have the following genotypes. What types of gametes will these organisms produce, and in what proportions?

  1. a. Aa
  2. b. AA
  3. c. aa

a.

Summary Introduction

To determine: The gametes formed by the organism with the genotype “Aa”.

Introduction: The alleles are the two contrasting forms of a gene. The allele for a particular trait can be dominant or recessive based on their expression. The one that masks the expression of another allele is dominant while the masked allele is recessive.

Explanation of Solution

The gametes produced by a heterozygote like “Aa” are two. The two types of gametes are “a” and “A”. These gametes are independently segregated and combined with the gametes of the other parent to produce a zygote. The pattern in which these gametes are inherited lead to the production of a homozygous or a heterozygous offspring...

b.

Summary Introduction

To determine: The gametes produced by the individual with the genotype “AA”.

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

c.

Summary Introduction

To determine: The gametes produced by an individual with the genotype “aa”.

Introduction: The genotype is the genetic makeup of the organism which is not visible while the phenotype refers to external characters that are visible in an organism.

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Chapter 3 Solutions

Human Heredity: Principles and Issues (MindTap Course List)
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Ch. 3 - Crossing Pea Plants: Mendels Study of Single...Ch. 3 - Crossing Pea Plants: Mendels Study of Single...Ch. 3 - Crossing Pea Plants: Mendels Study of Single...Ch. 3 - Crossing Pea Plants: Mendels Study of Single...Ch. 3 - Crossing Pea Plants: Mendels Study of Single...Ch. 3 - Crossing Pea Plants: Mendels Study of Single...Ch. 3 - Crossing Pea Plants: Mendels Study of Single...Ch. 3 - Crossing Pea Plants: Mendels Study of Single...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - More Crosses with Pea Plants: The Principle of...Ch. 3 - Meiosis Explains Mendels Results: Genes Are on...Ch. 3 - Meiosis Explains Mendels Results: Genes Are on...Ch. 3 - Meiosis Explains Mendels Results: Genes Are on...Ch. 3 - Meiosis Explains Mendels Results: Genes Are on...Ch. 3 - Meiosis Explains Mendels Results: Genes Are on...Ch. 3 - Variations on a Theme by Mendel A characteristic...Ch. 3 - Meiosis Explains Mendels Results: Genes Are on...Ch. 3 - Variations on a Theme by Mendel Pea plants usually...Ch. 3 - Variations on a Theme by Mendel A plant geneticist...Ch. 3 - Variations on a Theme by Mendel What are the...Ch. 3 - Meiosis Explains Mendels Results: Genes Are on...Ch. 3 - Variations on a Theme by Mendel What is the chance...Ch. 3 - Variations on a Theme by Mendel A hypothetical...Ch. 3 - Variations on a Theme by Mendel In homozygotes,...

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