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.)

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]