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Bookmark or Share- Genome, Genes, DNA, and Chromosomes: Basics of Genetics - Verywell HealthGenes are segments of DNA that determine our traits. Every human has between 20,000 and 25,000 different genes, half of which are inherited from our biological mothers and the other half from our biological fathers. Chromosomes are long, bundled strands of DNA, each of which contains many genes.
- Gene | Definition, Structure, Expression, & Facts | Britannicagene, 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 as animals, plants, and fungi ), genes are contained within the cell nucleus.
- Genes: Function, makeup, Human Genome Project, and researchGenes are strands of DNA that contain the biological instructions for life. Each gene contains sequences that determine physical and biological traits. Medical illustration by Bailey Mariner....
- What is a gene?: MedlinePlus GeneticsA gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins. However, many genes do not code for proteins. In humans, genes vary in size from a few hundred DNA bases to more than 2 million bases.
- Explainer: What are genes? - Science News ExploresFebruary 8, 2019 at 6:30 am. Genes are the blueprints for building the chemical machinery that keeps cells alive. That’s true for humans and all other forms of life. But did you know that with 20,000 genes, people have almost 11,000 fewer genes than water fleas? If the number of genes doesn’t predict complexity, what does?
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