An introduction to DNA mutations:

Are mutations good or bad? This video helps explain!

Sources:

“An introduction to genetic mutations.” Kahn Academy. Retrieved from: https://youtu.be/g02RnGXCXrQ. Licensed under: Standard YouTube License

“The effects of mutations.” Kahn Academy. Retrieved from: https://youtu.be/JxC2phkdY8Y. Standard You Tube License