Fact finders. Genetics

Animals Cells takes you inside the smallest unit of life. Learn how each cell's organelles work together to allow living things to function. Explore blood cells, muscle cells, and nerve cells, skin cells, and more.

Are your eyes brown? Blue? Green? Why are they the color that they are? Heredity takes a close look at the genes and traits passed down from mothers and fathers. Learn about dominant and recessive genes and how they determine unique characteristics.