Snips about SNPs: Taste Receptors

Do you love dark chocolate and coffee? Both of them have bitter flavors that some people can taste – and some people cannot!  We have a bunch of different genes that code for different taste receptors. So different genetic variants of those taste receptor genes mean that foods don’t taste the same to everyone.

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Check your genetic data for rs713598 (23andMe v.4 and v.5; AncestryDNA):

  • G/G: Can taste bitter in broccoli, dark chocolate, etc.
  • C/G: Probably can taste bitter
  • C/C: Unable to taste some bitter flavors

Members: Your genotype for rs713598 is .

Want to learn more about your taste receptors? Check out the full article on taste receptors. 


*SNP stands for Single Nucleotide Polymorphism, which is when one of the nucleotide bases (the A, C, G, or Ts) is replaced by a different nucleotide base in a gene. 

Want more quick bits about your genes? Read through all the Snips about SNPs


Author Information:   Debbie Moon
Debbie Moon is the founder of Genetic Lifehacks. She holds a Master of Science in Biological Sciences from Clemson University and an undergraduate degree in engineering from Colorado School of Mines. Debbie is a science communicator who is passionate about explaining evidence-based health information. Her goal with Genetic Lifehacks is to bridge the gap between the research hidden in scientific journals and everyone's ability to use that information. To contact Debbie, visit the contact page.