Book cover for Genetics: A Conceptual Approach

Genetics: A Conceptual Approach

Benjamin Pierce

ISBN #9781464109461

5th Edition

1,059 Questions

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28,583 Students Helped

Homework Questions

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Summary

Learning Objectives

Key Concepts

Example Problems

Explanations

Common Mistakes

Summary

None

Learning Objectives

Key Concepts

CONCEPT

DEFINITION

Autosomal Recessive Disorder

A type of genetic disorder in which two copies of a mutant allele (one from each parent) are required for the trait to be expressed. In the book, albinism is used as a classic example of this disorder.

Example Problems

Example 1

What is the difference between a transition and a transversion? Which type of base substitution is usually more common?

Example 2

Briefly describe expanding nucleotide repeats. How do they account for the phenomenon of anticipation?

Example 3

What is the difference between a missense mutation and a nonsense mutation? Between a silent mutation and a neutral mutation?

Example 4

Briefly describe two different ways in which intragenic suppressors can reverse the effects of mutations.

Example 5

How do insertions and deletions arise?

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Step-by-Step Explanations

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Common Mistakes