Question

the ability to taste phenylthiocarbamide on PTC paper shows autosomal dominant inheritance and is controlled by a gene on chromosome number 7. the gene codes for part of the bitter taste receptor. there are actually five alleles, one of which cause lack of ability to sense bitter tastes; the other four alleles produce intermediate to fully sensitive taste abilities. we are only going to worry about the extremes, the “taster” with dominant allele and the “non-taster” we will call them. i cannot taste ptc. one of my parents can taste it, the other cannot. Choose your letter and create the entire Punnett square based on the information in the paragraph above. Write down what alleles would be in each of the 8 numbered spaces.

          the ability to taste phenylthiocarbamide on PTC paper shows autosomal dominant inheritance and is controlled by a gene on chromosome number 7. the gene codes for part of the bitter taste receptor. there are actually five alleles, one of which cause lack of ability to sense bitter tastes; the other four alleles produce intermediate to fully sensitive taste abilities. we are only going to worry about the extremes, the “taster” with dominant allele and the “non-taster” we will call them. i cannot taste ptc. one of my parents can taste it, the other cannot. 

Choose your letter and create the entire Punnett square based on the information in the paragraph above. Write down what alleles would be in each of the 8 numbered spaces.

Added by Mariah W.

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