Imagine that you have a test population of chickens. You know from your previous research that there are two alleles (at the same locus) that govern feather type. Genotypes, and their associated phenotypes, are as follows: CC – curly feathers; Cc – curly feathers; and cc – straight feathers. Observing your population, you determine that you have 592 chickens with straight feathers and 617 chickens with curly feathers. Based on Hardy-Weinberg expectations, how many of these are likely to be heterozygotes?
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