Chromosome
DNA electrophoresis
This simulation assumes that the loading dye is 50bp and the marker is 50bp. (‘bp’ is a unit showing the number of base pairs of DNA.) Electrophoresis Electrophoresis is a chemical phenomenon in which an electric charge in a solution … more
Cell Division Model
Chromosome If you look at the onion root under a microscope, you can see cells of different shapes and sizes, such as cells with an apparent nucleus, cells that appear to be split into two cells, and cells that have … more
Asexual Reproduction and Sexual Reproduction
Asexual reproduction Some living things do not make reproductive cells. They make new offspring through cell division. This method of reproduction without male and female reproductive cells is called asexual reproduction. Sexual reproduction Many of the creatures around us can … more