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

    Jan 30, 2026 · 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 …

  2. Genetic Definition & Meaning | Britannica Dictionary

    2 ENTRIES FOUND: genetic (adjective) genetic engineering (noun) genetic /ʤə ˈ nɛtɪk/ adjective Britannica Dictionary definition of GENETIC : of, relating to, or involving genes

  3. Mutation | Definition, Causes, Types, & Facts | Britannica

    Jan 16, 2026 · An individual offspring inherits mutations only when mutations are present in parental egg or sperm cells (germinal mutations). All of the offspring’s cells will carry the mutated DNA, which …

  4. genetics summary | Britannica

    genetics, Study of heredity in general and of gene s in particular. Modern genetics began in the 19th century with the work of Gregor Mendel, who formulated the basic concepts of heredity.

  5. Genetically modified organism (GMO) | Definition, Examples, & Facts ...

    Feb 12, 2026 · Genetic modification of insects has become an important area of research, especially in the struggle to prevent parasitic diseases. For example, GM mosquitoes have been developed that …

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

    Feb 6, 2026 · 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 gene will split.

  7. Genetics Definition & Meaning | Britannica Dictionary

    GENETICS meaning: the scientific study of how genes control the characteristics of plants and animals

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

    Jan 16, 2026 · 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 refer …

  9. Heredity | Definition & Facts | Britannica

    Discoveries into the nature of genes have shown that genes are important determinants of all aspects of an organism’s makeup. For this reason, most areas of biological research now have a genetic …

  10. Pedigree | Definition, Breeding, & Symbols | 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 biotechnology.