Identify the frequencies of the homozygous dominant (p2), heterozygous (2pq) and homozygous recessive (q2) combinations in the populations.

You are the leader of a research team that is studying the Phenylthiocarbamide (PTC) gene. Below is a family tree for PTC. Using the tree, determine if the ability to taste or not taste PTC is dominant. Then answer the following questions about PTC inheritance and population genetics. Your first population is the observed group; the second population is the expected group. Assume there are 5000 people in your samples

What is your research question for your analysis
Identify the frequency of the dominant and recessive alleles in the population.
Identify the frequencies of the homozygous dominant (p2), heterozygous (2pq) and homozygous recessive (q2) combinations in the populations.
Compare the two groups you have been assigned to determine if their frequencies are similar or different.
For your populations, assume that there are 5000 people in each group you are comparing.

Bonus Question: Who first accidentally discovered that PTC was a tasting (or non-tasting) ability that was inherited genetically?

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