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- Gene | Definition, Structure, Expression, Facts | Britannica
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 as animals, plants, and fungi), genes are contained within the cell nucleus
- What are DNA and Genes?
Contained within the 3 billion letters of the human genome are about 21,000 genes Most of our known genes code for proteins, but some code for RNA molecules All humans have the same genes arranged in the same order And more than 99 9% of our DNA sequence is the same
- Genetics Basics | Genomics and Your Health | CDC
Genes are specific sections of DNA that have instructions for making proteins Proteins make up most of the parts of your body and make your body work the right way You have two copies of every gene You inherit one copy from your father and one copy from your mother
- Gene
The gene is considered the basic unit of inheritance Genes are passed from parents to offspring and contain the information needed to specify physical and biological traits
- GENE Definition Meaning - Merriam-Webster
: a part of DNA or sometimes RNA that is usually located on a chromosome and that contains chemical information needed to make a particular protein (as an enzyme) controlling or influencing an inherited bodily trait or activity (as eye color or metabolism) or that influences or controls the activity of another gene or genes
- Definition of gene - NCI Dictionary of Genetics Terms
Genes are made up of sequences of DNA and are arranged, one after another, at specific locations on chromosomes in the nucleus of cells
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