To most humans, the chemical ptc tastes very bitter. the ability to taste it is a dominant trait. people who can’t taste ptc exhibit the recessive trait. which genotype represents people who can’t taste the chemical?

a. tt

b. tt

c. tt

d.

tt. I need 20 characters to answer so im gonna babble on until i re- oh wait i reached it already (Oh and a little tip is that if there is a capital anywhere then it is a dominant trait. Recessive has to be both lowercase, or else it would be dominant.)

a

explanation:

they both go up but then go back down. they both end lower than they started. lastly, they both are competitive/the second on.

explanation: