Respuesta :

s906236

Answer:

Explanation:

Internal and external natural factors, like gender and climate, influence gene expression. ... drugs, chemicals, warmth, and light are among the different natural factors that can decide which genes are turned on and off, influencing the way an organism develops and functions.

zaneschell

Answer:

exposure to light, diet, humidity, and the pollution in the air can cause certain mutations or influence change in gene expressions.