3. Extensions to Mendelian Inheritance
Penetrance and Expressivity
Problem 31
Textbook Question
Textbook QuestionIn goats, the development of the beard is due to a recessive gene. The following cross involving true-breeding goats was made and carried to the F₂ generation: Offer an explanation for the inheritance and expression of this trait, diagramming the cross. Propose one or more crosses to test your hypothesis.
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