Are You a Supertaster? (VCE SSCE Biology): Flashcards

Two copies of each gene from parents

Has two identical alleles for a gene

Small bumps on tongue with taste buds

On tips of gustatory cells, projecting onto tongue surface

Sweet, salty, sour, bitter, umami

Phenylthiourea; tastes bitter to some, no taste to others

Codes for bitter taste receptor; determines PTC tasting ability

People who taste PTC; more sensitive to flavours overall

TT or Tt

Helps detect toxic alkaloids in poisonous plants