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Class X Sciences

[papers from previous years]

(a) What is a gene?
(b) Where are genes located?
(c) What is the nature of gene?


Genes are actually a small string of bases on a dna chain a gene is the basic physical and functional unit of heredity. Genes, which are made up of DNA, act as instructions to make molecules called proteins. Genes is located in a chromosomes.They are locate in the nucleus of the cell except during cell division when the nucleus breaks up..

hope its help u...
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Genes are the genetic material of the body. They are present within the nucleus of the cells in our body. The genes show coded information and are of hereditary nature.
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