-> Genes are the units of instruction that the cells of the human body use to carry out their functions.
-> The chemical language in which genes are written is called DNA.
-> There are approximately 23,000 genes in the human genome.
-> A genome is the total compliment of genes for an organism.
-> Gene is the structural unit of inheritance in living organisms.
-> Each gene consists of a specific sequence of DNA building blocks called nucleotides.
-> The scientific study of inheritance is genetics.
-> Genes govern both the structure and metabolic functions of the cells, and thus of the entire organism and, when located in reproductive cells, they pass their information to the next generation.
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