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  1. Genetics | History, Biology, Timeline, & Facts | Britannica

    Dec 1, 2025 · Genetics forms one of the central pillars of biology and overlaps with many other areas, such as agriculture, medicine, and biotechnology. Learn more about the history, …

  2. Human genetics | Description, Chromosomes, & Inheritance

    The study of human heredity occupies a central position in genetics. Much of this interest stems from a basic desire to know who humans are and why they are as they are.

  3. Genetics - DNA, Genetic Code, Mutations | Britannica

    Oct 21, 2025 · Genetics - DNA, Genetic Code, Mutations: A major landmark was attained in 1953 when American geneticist and biophysicist James D. Watson and British biophysicists Francis …

  4. Gene | Definition, Structure, Expression, & Facts | Britannica

    6 days ago · The sequence of bases along a strand of DNA determines the genetic code. When the product of a particular gene is needed, the portion of the DNA molecule that contains that …

  5. DNA | Definition, Discovery, Function, Bases, Facts, & Structure ...

    Nov 28, 2025 · Deoxyribonucleic acid (DNA) is an organic chemical that contains genetic information and instructions for protein synthesis. It is found in most cells of every organism.

  6. genetics summary | Britannica

    Genetics, study of heredity in general and of genes in particular. Genetics forms one of the central pillars of biology and overlaps with many other areas, such as agriculture, medicine, and …

  7. Genetic engineering - DNA Modification, Cloning, Gene Splicing

    5 days ago · Genetic engineering has advanced the understanding of many theoretical and practical aspects of gene function and organization. Through recombinant DNA techniques, …

  8. Genetic engineering | Definition, Process, Uses, Examples, …

    Oct 28, 2025 · Genetic engineering, the artificial manipulation, modification, and recombination of DNA or other nucleic acid molecules to modify an organism. The term is generally used to …

  9. Gregor Mendel | Biography, Experiments, & Facts | Britannica

    Jul 20, 1998 · Through his careful breeding of garden peas, Gregor Mendel discovered the basic principles of heredity and laid the mathematical foundation of the science of genetics.

  10. Heredity - DNA, Genes, Inheritance | Britannica

    Nov 6, 2025 · Since the chromosomes of eukaryotes contain a variety of proteins in addition to DNA, the question naturally arose whether the nucleic acids or the proteins, or both together, …