Variation is the differences between individuals of the same species, caused by genetic and environmental factors. Surveys into variation give data that are continuous, which means to come in a ...

Although Gregor Mendel developed his groundbreaking principles of inheritance in the mid-1800s, the importance of his work went largely unnoticed by the scientific community until the early 1900s.

In a groundbreaking shift in our understanding of mutations, researchers have discovered types of DNA damage in healthy cells ...

Where are these genes found, and how does this non-nuclear inheritance occur ... Journal of Cell Biology 19, 593–611 (1963) ———. Intramitochondrial fibers with DNA characteristics.

There are two types of reproduction you need ... I’m Dr Alex Lathbridge and this is the Bitesize Biology. This is the last episode in our series on Inheritance, Variation and Evolution.