What is Genetics? Definition and Key Concepts Explained

Explore the definition of genetics, its significance in biology, and how traits are inherited through DNA.

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Genetics is the branch of biology that studies genes, genetic variation, and heredity in organisms. It focuses on how traits are passed from parents to offspring through DNA. Understanding genetics helps explain phenomena such as inherited diseases, physical characteristics, and evolutionary changes.

FAQs & Answers

  1. What role do genes play in genetics? Genes are the basic units of heredity in living organisms, encoding the information necessary for the development and functioning of an organism.
  2. How does genetics affect health? Genetics can influence the likelihood of developing certain diseases, as inherited genes may predispose individuals to conditions like diabetes or heart disease.
  3. What is the difference between genetics and genomics? Genetics studies individual genes and their roles in inheritance, while genomics examines all of an organism's genes and their interrelations.

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