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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
- Genes: Function, makeup, Human Genome Project, and research
Genes are made of DNA, which determines what an organism is like, its appearance, how it survives, and how it behaves in its environment All living beings have genes, which can also affect a
- What are DNA and Genes? - University of Utah
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
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