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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 23QP
Textbook Problem
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Meiosis Explains Mendel’s Results: Genes Are on Chromosomes

Discuss the pertinent features of meiosis that provide a physical correlate to Mendel’s abstract genetic laws of random segregation and independent assortment.

Summary Introduction

To describe: The pertinent features of meiosis and their correlation with the Mendelian law of segregation and independent assortment.

Introduction: Meiosis, also known as the reductional division, is the second type of cell division that takes place in eukaryotes. The cell division is marked by a decrease in the chromosome number. This type of cell division allows the recombination of the genes on the chromosome to produce a zygote. The two diploid cells undergo division to produce four haploid daughter cells.

Explanation of Solution

The features of meiosis correlate with the law of segregation and independent assortment given by Mendel. The meiosis involves five stages. In the prophase, the two homologous non-sister chromatids undergo crossing over. In this process, the exchange of genes between two chromosomes follows the law of independent assortment. The genes of two or more traits are independently exchanged irrespective of their dominant or recessive nature.

The law of segregation is followed when the homologous chromosomes are divided to form gametes...

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Chapter 3 Solutions

Human Heredity: Principles and Issues (MindTap Course List)
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