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Figure 12-7 shows how meiosis in a cell with three pairs of homologous chromosomes produces eight unique gametes (crossovers aside). Use the same technique to determine how many unique gametes can be produced by a cell that has four pairs of homologous chromosomes. A human female can release about 350 eggs during her reproductive years. What is the chance that she would generate the same gamete twice in her lifetime?

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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

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Chapter
Section
BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
Chapter 12, Problem 5CT
Textbook Problem
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Figure 12-7 shows how meiosis in a cell with three pairs of homologous chromosomes produces eight unique gametes (crossovers aside). Use the same technique to determine how many unique gametes can be produced by a cell that has four pairs of homologous chromosomes.

A human female can release about 350 eggs during her reproductive years. What is the chance that she would generate the same gamete twice in her lifetime?

Summary Introduction

To determine: how many unique gametes can be produced by a cell that has four pairs of homologous chromosome.

Concept introduction:

Walter Stanborough Sutton (American geneticist) has provided great evidence for Mendel's principle of independent assortment. During metaphase, he saw a random positioning of each chromosome at the midline. The chromosomes formed in the daughter cell will be a combination of their parental traits but every chromosome was independent of each other than that of their paternal and maternal side. At the time of chromosomal segregation, each daughter chromosomes are formed with unique combinations.

Explanation of Solution

Different genetic combination patterns are followed in the chromosomes based on the theory of independent assortment. Possible outcomes of chromosomal segregation can be calculated by a mathematical formula 2n rule. 2n gives the possible number of combination of the chromosome for each gamete...

Summary Introduction

To determine: The chance that a human female would generate the same gametes twice in her lifetime.

Concept introduction:

Walter Stanborough Sutton (American geneticist) has provided great evidence for Mendel's principle of independent assortment. During metaphase, he saw a random positioning of each chromosome at the midline. The chromosomes formed in the daughter cell will be a combination of their parental traits but every chromosome was independent of each other than that of their paternal and maternal side. At the time of chromosomal segregation, each daughter chromosomes are formed with unique combinations.

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