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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. 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.

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

    Feb 6, 2026 · gene, unit of hereditary information that occupies a fixed position (locus) on a chromosome. Genes achieve their effects by directing the synthesis of proteins. In eukaryotes (such …

  4. Florida panther | Diet, Habitat, & Facts | Britannica

    The Florida panther was traditionally classified as a distinct subspecies of puma (P. concolor coryi) and was reclassified as a population of the P. concolor couguar subspecies in 2017 after a genetic analysis.

  5. Gene flow | Definition, Effects, & Migration | Britannica

    The introduction of new alleles through gene flow increases variability within the population and makes possible new combinations of traits. In humans gene flow usually comes about through the actual …

  6. 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 …

  7. Genetics - Breeding, DNA, Traits | Britannica

    Jan 30, 2026 · Genetics - Breeding, DNA, Traits: Genetic techniques are used in medicine to diagnose and treat inherited human disorders. Knowledge of a family history of conditions such as cancer or …

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

    Jan 30, 2026 · Today a prime reason for performing classical genetics is for gene discovery—the finding and assembling of a set of genes that affects a biological property of interest.

  9. 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.

  10. Gene regulation | Britannica

    All genetic traits are the result of the interactions of alleles. Mutation, crossing over, and environmental conditions selectively change the frequency of phenotypes (and thus their alleles) within a population.