The ability to taste phenylthiocarbamide (PTC) is a dominant trait, such that PP or Pp individuals can taste the chemical, whereas pp individuals cannot. Suppose a given population is in H-W with respect to this gene. You know how many people are tasters and non-tasters, but you cannot distinguish between homozygous dominant and heterozygous individuals. Which method(s) for determining allele frequency in a population could you use for this population?

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Square root method


Genotype frequency method


Allele frequency method


Any of these three methods is valid.


asked Jun 24, 2013 in Genetics by GeneX ~Top Expert~ (7,947 points)

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Square root method

answered Jun 24, 2013 by GeneX ~Top Expert~ (7,947 points)

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