Title: You observe an individual of your favorite study organism expressing the dominan Post by: barry on Jul 14, 2012 You observe an individual of your favorite study organism expressing the dominant phenotype for a certain trait. How would you go about determining if the individual was homozygous dominant or heterozygous for that trait?
Title: Re: You observe an individual of your favorite study organism expressing the dominan Post by: duddy on Jul 14, 2012 Perform a test cross with a recessive homozygous individual: If Aa × aa offspring are Aa : aa in a 1:1 ratio, and if AA × aa --> all offspring are Aa heterozygotes.
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