Genetic inheritance controls the characteristics of all living things. Variation - AQA Variation in species can be generated by genetics. Mutations arise spontaneously and can sometimes lead to ...

Genetics is the branch of science concerned with genes, heredity, and variation in living organisms. It seeks to understand the process of trait inheritance from parents to offspring, including ...

Genetic variation within a population is measured ... both by the physical environment and by time. Consequently, the definition of populations can be refined to include groups of organisms ...