So, what causes mutations? Well, this is where science fiction meets science fact, sort of. In the backstory of many superheroes there will be a meeting with a radioactive substance - be it cosmic rays or radioactive waste. In real life,...

Genetically modified organisms, or GMOs, have had their DNA artificially modified by humans, using modern genetic manipulation techniques. By changing the DNA, so changing the genome of an organism, means we can change its...

Genetic Expression Set: 7. This clip shows how external factors such as light and temperature can affect gene expression.

Everything from the mysterious phenomenon of "early morning" heart attacks in humans -- to how tiny nocturnal mammals evade predators -- to the blooming of plants -- is regulated by an organism's internal "biological clock." With...

This girl has six fingers on her left hand. She has a condition called polydactyly, which causes extra fingers or toes. Her father and grandmother as well as some of her cousins also have the condition. This should give you a clue about...

This video is a lesson on genetics, specifically focusing on the inheritance of traits from parents to offspring. The teacher explains the concept of genetics and introduces Gregor Mendel, the father of genetics. The video also discusses...

Plant genome research is already revolutionizing the field of biology. Currently, scientists are unlocking the secrets of some of the most important plants in our lives, including corn, cotton and potatoes. Secrets of Plant Genomes:...

Upon viewing the Traits and Heredity video series, students will be able to do the following: Define traits as the distinguishing characteristics of an organism. Describe heredity as the process of passing on traits from parents to...

We've been hearing about DNA since the third grade, and we all know that it's a double helix with little ladder rungs. But now we are ready to understand this molecule on a more fundamental level, which will enable to us to understand...