
Gene - Wikipedia
In biology, the word gene has two meanings. The Mendelian gene is a basic unit of heredity. The molecular gene is a sequence of nucleotides in DNA that is transcribed to produce a functional …
Gene | Definition, Structure, Expression, & Facts | Britannica
Nov 11, 2025 · 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 …
What Is a Gene? - Cleveland Clinic
Jul 9, 2025 · Genes are segments of DNA that give your cells instructions for specific traits or body functions. Different versions of the same gene are called alleles.
What is a gene?: MedlinePlus Genetics
May 21, 2024 · A gene is the basic physical and functional unit of heredity. Genes are made up of DNA and each chromosome contains many genes.
What Are Genes, DNA, and Chromosomes? - Verywell Health
Oct 27, 2025 · Genes are the basic units that determine the traits that we inherit from our parents. 1 They contain coded information found in nearly every cell of the human body. Our genes are …
What Are Genes and Where Are They Found in the Cell?
Aug 3, 2025 · To ask what genes are and where they’re found in the cell is to open a doorway into the most intricate and astonishing story ever told—the story of life. Genes are not merely …
Gene
2 days ago · Genes are passed from parents to offspring and contain the information needed to specify physical and biological traits. Most genes code for specific proteins, or segments of …
Gene - Structure, Types & Characteristics - GeeksforGeeks
Jul 23, 2025 · Gene is defined as the fundamental unit of inheritance because it is transferred from parents to offspring. A gene is a basic unit of heredity in biology. It carries instructions …
What Is a Gene and How Do Genes Work? - Biology Insights
Each gene holds the blueprint for a particular task or characteristic, dictating everything from physical features to the unseen activities within our cells. The instructions provided by genes …
Definition of gene - NCI Dictionary of Genetics Terms - NCI
The basic unit of heredity passed from parent to child. Genes are made up of sequences of DNA and are arranged, one after another, at specific locations on chromosomes in the nucleus of cells.