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Explain with an example, how genes control the characteristics (or traits).

BiologyClass 10ICSEAnswered 27 Mar 2026
Answer

Genes are the section of DNA that carry the chromosome and determine the characteristics of an organism.

Suppose, a plant species possesses a gene for the characteristic called 'tallness'. The gene for tallness will give instructions to the plant cells to generate many plant-growth hormones due to which the plant will grow tall. On the other hand, if the plant has the gene for shortness, less plant-growth hormones will be produced, due to which the plant will not grow much and remain a dwarf plant.

Biology · Class 10