In some breeds of dogs, a dominant allele controls the characteristics of barking while trailing. In these dogs, another independent allele produces erect ears; it is dominant over the allele for drooping ears. Suppose a dog breeder wants to produce a pure-breeding strain of droop-eared barkers, but he knows that the genes for silent trailing and erect ears are present in his kennels, how would he proceed?

Human Heredity: Principles and Issues (MindTap Course List)
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ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter5: The Inheritance Of Complex Traits
Section: Chapter Questions
Problem 2QP: The text outlines some of the problems Frederick William I encountered in his attempt to breed tall...
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In some breeds of dogs, a dominant allele controls the characteristics of barking while trailing. In these dogs, another independent allele produces erect ears; it is dominant over the allele for drooping ears. Suppose a dog breeder wants to produce a pure-breeding strain of droop-eared barkers, but he knows that the genes for silent trailing and erect ears are present in his kennels, how would he proceed?

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