The present theory offers a unified solution to three closely related evolutionary problems. (1) Why does an evolving population explore only a small fraction of the accessible pathways in genotype ...

Organisms have continued to evolve by accumulating genetic variation while being danced by natural selection. However, a research team at the University of Maine has made the claim that 'human ...

The stray dogs that roam the Chernobyl Exclusion Zone have become unlikely protagonists in a scientific debate about how life ...

Genome assemblies from 65 individuals, representing a variety of the world’s populations, are advancing the scientific exploration of complex genetic structural variation. Structural variations are ...

A groundbreaking study of a 7,100-year-old skeleton found in Yunnan, China, has revealed a "ghost" human lineage previously known only through genetic inference. The woman, named Xingyi_EN, belonged ...

The warming of the Arctic is transforming not only its ice but also the genetics of its inhabitants. According to a study ...

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 ...