If you are provided with a stock of pure-breeding (i.e., homozygous) wild flies and another stock of pure-breeding Bar flies, how could you determine if the Bar allele is sex-linked or autosomal, dominant or recessive? In other words, outline the genetic crosses you would perform (which flies would you mate together), whereby the offspring of said crosses would inform you of the pattern of inheritance for the Barallele. What results would you look for to tell you if the allele is sex-linked or autosomal, dominant or recessive?

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A cross would be performed with both purebreeding ie homozygous wild flies and anoth... View the full answer