Josh notices that the frog he is dissecting has many different types of tissues and cells. the cells are different due to

Josh notices that the frog he is dissecting has many different types of tissues and cells. The cells are different due to different gene expression.  The term differential gene expression denotes the activation of different genes within a cell. Each cell expresses only those genes which it needs.

hey there,

the answer is: race, color, gender, age, and sexual orientation.

: )

i think the answer would be b.