Amoeba Sisters Genes and Alleles

What does PTC stand for in the video?

• Phenylthiocarbamide
  

• Polymeric tissue compound

• Primary taste chemical

• Pungent taste compound

Tags

NGSS.HS-LS3-2

Why is PTC paper popular in genetics classes?

• It tastes sweet to everyone
  

• It shows different taste sensitivities based on genetics

• It can be eaten as a snack

• It is a type of candy

How many chromosomes do humans have?

• 23

• 46

• 48

• 50

Which genotype(s) can taste PTC?

• tt
  

• . Tt

• Tt and tt

• Tt and TT

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the phenotype for someone who can taste PTC?

• Non-taster
  

• Bitter taster

• PTC taster

• Sweet taster

Tags

NGSS.HS-LS3-2

To express a dominant trait, how many dominant alleles (capital letters) must you inherit from your parents?

• 1

• 2

• 1 or 2

• none

Tags

NGSS.HS-LS3-1