Describe how scientists use technology to determine if genes are 'turned on' or 'turned off'. Explain how this technology has advanced the understanding of genetics.
How has this understanding affected the field of medicine?

Andrew loves to go camping and hiking in the fall. about two weeks after his last camping trip, he noticed an expanding red, target shaped, rash on his arm. to avoid this illness, andrew should have select one: a. boiled his water before drinking. b. avoided contact with ticks. c. avoided contact with fleas found on mice. d. camped only in the spring.