02GeneticsConceptsFQ - FocusQuestions:GeneticsConcepts

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Focus Questions: Genetics Concepts 1.  What was the view of genetics prior to Mendel?  How did he change this? 2.  What is a locus?  How is this related to a gene, and an allele? 3.  When we cross round by wrinkled we get only round progeny.  Why is this?  What do we call the  round and wrinkled phenotypes? 4.  What is the principle of segregation?  What is the physical basis behind this principle? 5.  What is the relationship between genotype and phenotype for homozygotes and heterozygotes? 6.  What is the principle of independent assortment?  What is the physical basis for this principle?  How does the process of meiosis allow us to predict the Mendelian ratio seen for a dihybrid  cross? 7.  What do we mean by the term: “progeny testing”?  How does this relate to the concepts of  genotype and phenotype? 8.  Is dominance absolute?  How can dominance be altered?  How does this affect your view of the 
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This note was uploaded on 09/12/2010 for the course BIOL 111 taught by Professor Dr.zielinski during the Spring '08 term at Purdue University-West Lafayette.

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02GeneticsConceptsFQ - FocusQuestions:GeneticsConcepts

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