4) In your opinion, what is a possible treatment for cancer based on your understanding of how cancer begins in normal cells? 5) In humans, the ability to taste the bitter chemical PTC is inherited according to Mendel's pattern of inheritance. The taster allele 'T' is dominant to the non-taster allele 't'. a) What are the possible phenotypes if a homozygous dominant (taster) is crossed with a homozygous recessive (non-taster)? b) What is the genotype(s) of the offspring? 6) What are the four blood types of the ABO blood system?

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