When cells express different genes, what occurs? a. cell reproduction b. morphogenesis c. cell differentiation d. apoptosis question 2 differentiated cells will first organize themselves into a. tissues b. organs c. organ systems d. a new organism question 3 a newly fertilized cell of c. elegans is referred to as a. zygote b. larva c. egg d. adult question 4 the red blood cell count is kept stable despite production of new cells by what? a. blood loss b. cell division c. programmed cell death d. cell differentiation question 5 some cells will undergo programmed death when a. healthy b. diseased c. dividin