science
Grade-10
Easy
Question
What is the structural and functional unit of heredity?
Gene
Chromosome
DNA
RNA
Gene
Chromosome
DNA
RNA
Hint:
Gene is the unit of heredity.
The correct answer is: Gene
Genes are the basic physical and functional units of heredity. Genes are made up of DNA. Some genes act as instructions for making molecules called proteins. However, a lot of genes do not code for proteins. In humans, genes vary in size from a few hundred DNA bases to over two million bases.
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