Which of These Statements About the Effect of Environment on Gene

Multiple Choice

Which of these statements about the effect of environment on gene expression is false?

A) Signal molecules produced by one cell can affect gene expression in other cells.
B) The environment that can affect a gene only refers to conditions immediately surrounding the cell.
C) Genes in one part of an organism can be exposed to different environments than other parts.
D) Some phenotypic traits are relatively unaffected by differences in environmental conditions.