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PTC lab and Gene/Allele Frequencies Test Complete Questions And 100% Verified Answer. CA$18.73   Add to cart

Exam (elaborations)

PTC lab and Gene/Allele Frequencies Test Complete Questions And 100% Verified Answer.

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  • Course
  • PTC.
  • Institution
  • PTC.

What does PTC stand for? - correct answer Phenylthiocarbamide How was PTC discovered? - correct answer Arthur Fox accidentally blew some of the powder and some people complained of it tasting bitter Ho...

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  • August 16, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • PTC.
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PTC lab and Gene/Allele Frequencies
Test

What does PTC stand for? - correct answer Phenylthiocarbamide



How was PTC discovered? - correct answer Arthur Fox accidentally blew some
of the powder and some people complained of it tasting bitter



How many genes are involved in tasting PTC - correct answer one, TAS2R38



How many genes code for bitter taste receptors? - correct answer 30



Location and size of TAS2R38 gene - correct answer 1002 bp long on
chromosome 7 arm (q) at position 34



True or False: Is PTC found in nature? - correct answer False



What is a Haplotype - correct answer a set of single nucleotide polymorphisms
found in a gene



Haplotype for TAS2E38 - correct answer Most common: PAV and AVI allele

Least Common: PVI, AVI, AAV



What is a SNP? - correct answer single nucleotide polymorphism

must occur greater than 1% in a population



Taster v Nontaster - correct answer Taste depends on the shape of the
receptor protein and how strongly it can bind to PTC. Non taster alleles still encode full-length protein
but there is a loss of signal transduction in the cell

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