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 range, ...

The beginning of the twenty-first century is an exciting time for biologists. Rapid advances in genomics have changed our view of the biological world and fostered new links between molecular biology, ...

Behaviours are complex traits determined by the combined effects of many independently segregating genes that are sensitive to the environment. As they are typical quantitative traits they require the ...