What is a gene expression?

How does a water pollutant affect gene expression in fish?

How do you measure changes in gene expression?

Something's Fishy

Jesse looked at the annual report and shook his head. His popular fly-fishing guide company was suffering, and he didn’t know what to do. Continue...

Getting Started

Dr. Tanguay suspects something in the stream water is harming the fish. He collects water from the stream and takes it back to his lab. He hypothesizes that one of two things may be happening. Continue...

What Happened to the Fish?

Dr. Tanguay makes observations of the fish experiment. After about five days, he notices that the zebrafish embryos in the experimental treatment are deformed.  Continue...

Microarray: How Does it Work?

This fish has been exposed to the environmental water sample in the lab. If there are any pollutants in the water sample, it may be possible to observe changes in the fish. Continue...

Scientist Interview With Dr. Robert Tanguay

It wasn’t a long term goal like you would often hear. “Oh, I wanted to be a scientist since I was two.” It was more that I was just curious about everything. Just trying to figure out how things work. Continue...