1. Which of the following phenotypes represents your ability to taste PTC?

Homozygous dominant              Heterozygous                 Homozygous recessive

2. Using the information from today's tutorial compose the term that would represent your haplotype with respect to your ability to taste PTC (you have two copies of each chromosome).

2a. Which nucleotide changes are responsible for the amino acid differences between Homo sapiens tasters and non-tasters?

2b. At which nucleotide positions in the nucleotide sequences do these changes occur? 

2c. Which type(s) of point mutations are occurring?