Reproduction occurs in all organisms. DNA is important, as it allows new proteins to be synthesised. Mutations in the DNA can have serious implications. Genetic inheritance - AQA Our genes are ...

Try these interactive flashcards based on GCSE biology past papers. By working your way through the flashcards created by experts, you can prepare for your biology exams and make your revision more ...

Abstract: Parallel phenotypic evolution, the independent evolution of the same trait in closely related lineages, is interesting because it tells us about the contribution of natural selection to ...

A random mutation in a gene can alter its function and bring about a new characteristic that can pass down for many generations, but this may not be the only way that organisms can inherit a trait.

The domestication of chickens has given rise to rapid and extensive changes in genome function. Scientists have established that the changes are heritable, although they do not affect the DNA ...

More than 130 leading population geneticists are publicly condemning a book arguing that genetic variation between human populations could underlie global economic, political and social differences.

An analysis of a slug-eating response by naive, newborn garter snakes provides a particularly clear example of geographic variation in behavior with a genetic basis. Feeding responses were recorded ...

Alas, poor Darwin. By all rights, 2009 should be his year, as books, museums and scholarly conclaves celebrate his 200th birthday (Feb. 12) and the 150th anniversary of "On the Origin of Species" (Nov ...