Traditionally, differences among individuals have been divided into genetic and environmental causes. However, both types of variation can underlie regulatory changes in gene expression — that is, ...

From your eye color to your health risks, genetic inheritance plays a powerful role in who you are. Understanding dominant, recessive, and X-linked traits can help you make sense of family patterns ...

The study of the signals and mechanisms that shape our life’s trajectory has been a topic of fascination for centuries. The discovery that epigenetic variation — changes in gene expression or cellular ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: Lamarckian inheritance, a one-time ...

Forty years ago, a postdoctoral researcher named James McGrath who would go on to spend more than three decades as a clinical geneticist and research scientist at Yale, made a discovery that advanced ...

In most plants and animals, including humans, mitochondria are inherited exclusively, or nearly exclusively, from the mother. By contrast, paternal transmission is observed only occasionally, and the ...

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 ...