Can you name a type of reproduction that produces no variation in the offspring? The multimedia lesson covers both sexual and asexual reproduction through videos and discussions. It includes topics such as genetic modification, meiosis,...

The Cell Biology Project at the University of Arizona provides an explanation of mitosis, DNA basics, diagrams and a practice exercise.

In this third unit of a Biology course, students learn about cells and cell structure. They compare prokaryotic and eukaryotic cells and learn about the specialized structures in a cell and what their functions are. They will also learn...