Which of the following could be considered part of the environment that could influence gene expression?

A) signals from other cells
B) contact with neighboring cells
C) products from other genes
D) a and b
E) a, b, and c

Gene Expression

The process by which information from a gene is used to synthesize a functional gene product, often proteins, affecting the cell’s function and development.

Signals From Other Cells

Chemical or physical messages sent from one cell to another, which can affect the behavior, growth, or metabolism of the receiving cell.